21086217360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{72671}}^1$

素因数の和:72734

約数の個数: 240

約数和(自身を含む): 78722961408

約数和(自身を除く): 57636744048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2232, 2340, 2418, 2480, 2790, 3120, 3224, 3627, 3720, 4030, 4464, 4680, 4836, 5580, 6045, 6448, 7254, 7440, 8060, 9360, 9672, 11160, 12090, 14508, 16120, 18135, 19344, 22320, 24180, 29016, 32240, 36270, 48360, 58032, 72540, 72671, 96720, 145080, 145342, 218013, 290160, 290684, 363355, 436026, 581368, 654039, 726710, 872052, 944723, 1090065, 1162736, 1308078, 1453420, 1744104, 1889446, 2180130, 2252801, 2616156, 2834169, 2906840, 3270195, 3488208, 3778892, 4360260, 4505602, 4723615, 5232312, 5668338, 5813680, 6540390, 6758403, 7557784, 8502507, 8720520, 9011204, 9447230, 10464624, 11264005, 11336676, 13080780, 13516806, 14170845, 15115568, 17005014, 17441040, 18022408, 18894460, 20275209, 22528010, 22673352, 26161560, 27033612, 28341690, 29286413, 33792015, 34010028, 36044816, 37788920, 40550418, 42512535, 45056020, 45346704, 52323120, 54067224, 56683380, 58572826, 67584030, 68020056, 75577840, 81100836, 85025070, 87859239, 90112040, 101376045, 108134448, 113366760, 117145652, 135168060, 136040112, 146432065, 162201672, 170050140, 175718478, 180224080, 202752090, 226733520, 234291304, 263577717, 270336120, 292864130, 324403344, 340100280, 351436956, 405504180, 439296195, 468582608, 527155434, 540672240, 585728260, 680200560, 702873912, 811008360, 878592390, 1054310868, 1171456520, 1317888585, 1405747824, 1622016720, 1757184780, 2108621736, 2342913040, 2635777170, 3514369560, 4217243472, 5271554340, 7028739120, 10543108680, 21086217360]

約数ペア:

[(1, 21086217360), (2, 10543108680), (3, 7028739120), (4, 5271554340), (5, 4217243472), (6, 3514369560), (8, 2635777170), (9, 2342913040), (10, 2108621736), (12, 1757184780), (13, 1622016720), (15, 1405747824), (16, 1317888585), (18, 1171456520), (20, 1054310868), (24, 878592390), (26, 811008360), (30, 702873912), (31, 680200560), (36, 585728260), (39, 540672240), (40, 527155434), (45, 468582608), (48, 439296195), (52, 405504180), (60, 351436956), (62, 340100280), (65, 324403344), (72, 292864130), (78, 270336120), (80, 263577717), (90, 234291304), (93, 226733520), (104, 202752090), (117, 180224080), (120, 175718478), (124, 170050140), (130, 162201672), (144, 146432065), (155, 136040112), (156, 135168060), (180, 117145652), (186, 113366760), (195, 108134448), (208, 101376045), (234, 90112040), (240, 87859239), (248, 85025070), (260, 81100836), (279, 75577840), (310, 68020056), (312, 67584030), (360, 58572826), (372, 56683380), (390, 54067224), (403, 52323120), (465, 45346704), (468, 45056020), (496, 42512535), (520, 40550418), (558, 37788920), (585, 36044816), (620, 34010028), (624, 33792015), (720, 29286413), (744, 28341690), (780, 27033612), (806, 26161560), (930, 22673352), (936, 22528010), (1040, 20275209), (1116, 18894460), (1170, 18022408), (1209, 17441040), (1240, 17005014), (1395, 15115568), (1488, 14170845), (1560, 13516806), (1612, 13080780), (1860, 11336676), (1872, 11264005), (2015, 10464624), (2232, 9447230), (2340, 9011204), (2418, 8720520), (2480, 8502507), (2790, 7557784), (3120, 6758403), (3224, 6540390), (3627, 5813680), (3720, 5668338), (4030, 5232312), (4464, 4723615), (4680, 4505602), (4836, 4360260), (5580, 3778892), (6045, 3488208), (6448, 3270195), (7254, 2906840), (7440, 2834169), (8060, 2616156), (9360, 2252801), (9672, 2180130), (11160, 1889446), (12090, 1744104), (14508, 1453420), (16120, 1308078), (18135, 1162736), (19344, 1090065), (22320, 944723), (24180, 872052), (29016, 726710), (32240, 654039), (36270, 581368), (48360, 436026), (58032, 363355), (72540, 290684), (72671, 290160), (96720, 218013), (145080, 145342)]