21090153420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{16141}}^1$

素因数の和:16241

約数の個数: 288

約数和(自身を含む): 78687213696

約数和(自身を除く): 57597060276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 61, 63, 68, 70, 84, 85, 90, 102, 105, 119, 122, 126, 140, 153, 170, 180, 183, 204, 210, 238, 244, 252, 255, 305, 306, 315, 340, 357, 366, 420, 427, 476, 510, 549, 595, 610, 612, 630, 714, 732, 765, 854, 915, 1020, 1037, 1071, 1098, 1190, 1220, 1260, 1281, 1428, 1530, 1708, 1785, 1830, 2074, 2135, 2142, 2196, 2380, 2562, 2745, 3060, 3111, 3570, 3660, 3843, 4148, 4270, 4284, 5124, 5185, 5355, 5490, 6222, 6405, 7140, 7259, 7686, 8540, 9333, 10370, 10710, 10980, 12444, 12810, 14518, 15372, 15555, 16141, 18666, 19215, 20740, 21420, 21777, 25620, 29036, 31110, 32282, 36295, 37332, 38430, 43554, 46665, 48423, 62220, 64564, 65331, 72590, 76860, 80705, 87108, 93330, 96846, 108885, 112987, 130662, 145180, 145269, 161410, 186660, 193692, 217770, 225974, 242115, 261324, 274397, 290538, 322820, 326655, 338961, 435540, 451948, 484230, 548794, 564935, 581076, 653310, 677922, 726345, 823191, 968460, 984601, 1016883, 1097588, 1129870, 1306620, 1355844, 1371985, 1452690, 1646382, 1694805, 1920779, 1969202, 2033766, 2259740, 2469573, 2743970, 2905380, 2953803, 3292764, 3389610, 3841558, 3938404, 4067532, 4115955, 4923005, 4939146, 5084415, 5487940, 5762337, 5907606, 6779220, 6892207, 7683116, 8231910, 8861409, 9603895, 9846010, 9878292, 10168830, 11524674, 11815212, 12347865, 13784414, 14769015, 16463820, 16738217, 17287011, 17722818, 19207790, 19692020, 20337660, 20676621, 23049348, 24695730, 27568828, 28811685, 29538030, 33476434, 34461035, 34574022, 35445636, 38415580, 41353242, 44307045, 49391460, 50214651, 57623370, 59076060, 62029863, 66952868, 68922070, 69148044, 82706484, 83691085, 86435055, 88614090, 100429302, 103383105, 115246740, 117167519, 124059726, 137844140, 150643953, 167382170, 172870110, 177228180, 200858604, 206766210, 234335038, 248119452, 251073255, 301287906, 310149315, 334764340, 345740220, 351502557, 413532420, 468670076, 502146510, 585837595, 602575812, 620298630, 703005114, 753219765, 1004293020, 1054507671, 1171675190, 1240597260, 1406010228, 1506439530, 1757512785, 2109015342, 2343350380, 3012879060, 3515025570, 4218030684, 5272538355, 7030051140, 10545076710, 21090153420]

約数ペア:

[(1, 21090153420), (2, 10545076710), (3, 7030051140), (4, 5272538355), (5, 4218030684), (6, 3515025570), (7, 3012879060), (9, 2343350380), (10, 2109015342), (12, 1757512785), (14, 1506439530), (15, 1406010228), (17, 1240597260), (18, 1171675190), (20, 1054507671), (21, 1004293020), (28, 753219765), (30, 703005114), (34, 620298630), (35, 602575812), (36, 585837595), (42, 502146510), (45, 468670076), (51, 413532420), (60, 351502557), (61, 345740220), (63, 334764340), (68, 310149315), (70, 301287906), (84, 251073255), (85, 248119452), (90, 234335038), (102, 206766210), (105, 200858604), (119, 177228180), (122, 172870110), (126, 167382170), (140, 150643953), (153, 137844140), (170, 124059726), (180, 117167519), (183, 115246740), (204, 103383105), (210, 100429302), (238, 88614090), (244, 86435055), (252, 83691085), (255, 82706484), (305, 69148044), (306, 68922070), (315, 66952868), (340, 62029863), (357, 59076060), (366, 57623370), (420, 50214651), (427, 49391460), (476, 44307045), (510, 41353242), (549, 38415580), (595, 35445636), (610, 34574022), (612, 34461035), (630, 33476434), (714, 29538030), (732, 28811685), (765, 27568828), (854, 24695730), (915, 23049348), (1020, 20676621), (1037, 20337660), (1071, 19692020), (1098, 19207790), (1190, 17722818), (1220, 17287011), (1260, 16738217), (1281, 16463820), (1428, 14769015), (1530, 13784414), (1708, 12347865), (1785, 11815212), (1830, 11524674), (2074, 10168830), (2135, 9878292), (2142, 9846010), (2196, 9603895), (2380, 8861409), (2562, 8231910), (2745, 7683116), (3060, 6892207), (3111, 6779220), (3570, 5907606), (3660, 5762337), (3843, 5487940), (4148, 5084415), (4270, 4939146), (4284, 4923005), (5124, 4115955), (5185, 4067532), (5355, 3938404), (5490, 3841558), (6222, 3389610), (6405, 3292764), (7140, 2953803), (7259, 2905380), (7686, 2743970), (8540, 2469573), (9333, 2259740), (10370, 2033766), (10710, 1969202), (10980, 1920779), (12444, 1694805), (12810, 1646382), (14518, 1452690), (15372, 1371985), (15555, 1355844), (16141, 1306620), (18666, 1129870), (19215, 1097588), (20740, 1016883), (21420, 984601), (21777, 968460), (25620, 823191), (29036, 726345), (31110, 677922), (32282, 653310), (36295, 581076), (37332, 564935), (38430, 548794), (43554, 484230), (46665, 451948), (48423, 435540), (62220, 338961), (64564, 326655), (65331, 322820), (72590, 290538), (76860, 274397), (80705, 261324), (87108, 242115), (93330, 225974), (96846, 217770), (108885, 193692), (112987, 186660), (130662, 161410), (145180, 145269)]