21195502380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{673}}^1$

素因数の和:1057

約数の個数: 288

約数和(自身を含む): 71180805696

約数和(自身を除く): 49985303316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 313, 387, 390, 430, 468, 516, 559, 585, 626, 645, 673, 774, 780, 860, 939, 1118, 1170, 1252, 1290, 1346, 1548, 1565, 1677, 1878, 1935, 2019, 2236, 2340, 2580, 2692, 2795, 2817, 3130, 3354, 3365, 3756, 3870, 4038, 4069, 4695, 5031, 5590, 5634, 6057, 6260, 6708, 6730, 7740, 8076, 8138, 8385, 8749, 9390, 10062, 10095, 11180, 11268, 12114, 12207, 13459, 13460, 14085, 16276, 16770, 17498, 18780, 20124, 20190, 20345, 24228, 24414, 25155, 26247, 26918, 28170, 28939, 30285, 33540, 34996, 36621, 40377, 40380, 40690, 43745, 48828, 50310, 52494, 53836, 56340, 57878, 60570, 61035, 67295, 73242, 78741, 80754, 81380, 86817, 87490, 100620, 104988, 115756, 121131, 121140, 122070, 131235, 134590, 144695, 146484, 157482, 161508, 173634, 174967, 174980, 183105, 201885, 210649, 242262, 244140, 260451, 262470, 269180, 289390, 314964, 347268, 349934, 366210, 376207, 393705, 403770, 421298, 434085, 484524, 520902, 524901, 524940, 578780, 605655, 631947, 699868, 732420, 752414, 787410, 807540, 842596, 868170, 874835, 1041804, 1049802, 1053245, 1128621, 1211310, 1263894, 1302255, 1504828, 1574703, 1574820, 1736340, 1749670, 1881035, 1895841, 2099604, 2106490, 2257242, 2422620, 2527788, 2604510, 2624505, 2738437, 3149406, 3159735, 3385863, 3499340, 3762070, 3791682, 4212980, 4514484, 5209020, 5249010, 5476874, 5643105, 6298812, 6319470, 6771726, 7524140, 7583364, 7873515, 8215311, 9057907, 9479205, 10498020, 10953748, 11286210, 12638940, 13543452, 13692185, 15747030, 16430622, 16929315, 18115814, 18958410, 22572420, 24645933, 27173721, 27384370, 31494060, 32861244, 33858630, 36231628, 37916820, 41076555, 45289535, 49291866, 54347442, 54768740, 67717260, 81521163, 82153110, 90579070, 98583732, 108694884, 117752791, 123229665, 135868605, 163042326, 164306220, 181158140, 235505582, 246459330, 271737210, 326084652, 353258373, 407605815, 471011164, 492918660, 543474420, 588763955, 706516746, 815211630, 1059775119, 1177527910, 1413033492, 1630423260, 1766291865, 2119550238, 2355055820, 3532583730, 4239100476, 5298875595, 7065167460, 10597751190, 21195502380]

約数ペア:

[(1, 21195502380), (2, 10597751190), (3, 7065167460), (4, 5298875595), (5, 4239100476), (6, 3532583730), (9, 2355055820), (10, 2119550238), (12, 1766291865), (13, 1630423260), (15, 1413033492), (18, 1177527910), (20, 1059775119), (26, 815211630), (30, 706516746), (36, 588763955), (39, 543474420), (43, 492918660), (45, 471011164), (52, 407605815), (60, 353258373), (65, 326084652), (78, 271737210), (86, 246459330), (90, 235505582), (117, 181158140), (129, 164306220), (130, 163042326), (156, 135868605), (172, 123229665), (180, 117752791), (195, 108694884), (215, 98583732), (234, 90579070), (258, 82153110), (260, 81521163), (313, 67717260), (387, 54768740), (390, 54347442), (430, 49291866), (468, 45289535), (516, 41076555), (559, 37916820), (585, 36231628), (626, 33858630), (645, 32861244), (673, 31494060), (774, 27384370), (780, 27173721), (860, 24645933), (939, 22572420), (1118, 18958410), (1170, 18115814), (1252, 16929315), (1290, 16430622), (1346, 15747030), (1548, 13692185), (1565, 13543452), (1677, 12638940), (1878, 11286210), (1935, 10953748), (2019, 10498020), (2236, 9479205), (2340, 9057907), (2580, 8215311), (2692, 7873515), (2795, 7583364), (2817, 7524140), (3130, 6771726), (3354, 6319470), (3365, 6298812), (3756, 5643105), (3870, 5476874), (4038, 5249010), (4069, 5209020), (4695, 4514484), (5031, 4212980), (5590, 3791682), (5634, 3762070), (6057, 3499340), (6260, 3385863), (6708, 3159735), (6730, 3149406), (7740, 2738437), (8076, 2624505), (8138, 2604510), (8385, 2527788), (8749, 2422620), (9390, 2257242), (10062, 2106490), (10095, 2099604), (11180, 1895841), (11268, 1881035), (12114, 1749670), (12207, 1736340), (13459, 1574820), (13460, 1574703), (14085, 1504828), (16276, 1302255), (16770, 1263894), (17498, 1211310), (18780, 1128621), (20124, 1053245), (20190, 1049802), (20345, 1041804), (24228, 874835), (24414, 868170), (25155, 842596), (26247, 807540), (26918, 787410), (28170, 752414), (28939, 732420), (30285, 699868), (33540, 631947), (34996, 605655), (36621, 578780), (40377, 524940), (40380, 524901), (40690, 520902), (43745, 484524), (48828, 434085), (50310, 421298), (52494, 403770), (53836, 393705), (56340, 376207), (57878, 366210), (60570, 349934), (61035, 347268), (67295, 314964), (73242, 289390), (78741, 269180), (80754, 262470), (81380, 260451), (86817, 244140), (87490, 242262), (100620, 210649), (104988, 201885), (115756, 183105), (121131, 174980), (121140, 174967), (122070, 173634), (131235, 161508), (134590, 157482), (144695, 146484)]