21170056880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{6481}}^1$

素因数の和:6827

約数の個数: 160

約数和(自身を含む): 59414530560

約数和(自身を除く): 38244473680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 307, 380, 532, 560, 614, 665, 760, 1064, 1228, 1330, 1520, 1535, 2128, 2149, 2456, 2660, 3070, 4298, 4912, 5320, 5833, 6140, 6481, 8596, 10640, 10745, 11666, 12280, 12962, 17192, 21490, 23332, 24560, 25924, 29165, 32405, 34384, 40831, 42980, 45367, 46664, 51848, 58330, 64810, 81662, 85960, 90734, 93328, 103696, 116660, 123139, 129620, 163324, 171920, 181468, 204155, 226835, 233320, 246278, 259240, 326648, 362936, 408310, 453670, 466640, 492556, 518480, 615695, 653296, 725872, 816620, 861973, 907340, 985112, 1231390, 1633240, 1723946, 1814680, 1970224, 1989667, 2462780, 3266480, 3447892, 3629360, 3979334, 4309865, 4925560, 6895784, 7958668, 8619730, 9851120, 9948335, 13791568, 13927669, 15917336, 17239460, 19896670, 27855338, 31834672, 34478920, 37803673, 39793340, 55710676, 68957840, 69638345, 75607346, 79586680, 111421352, 139276690, 151214692, 159173360, 189018365, 222842704, 264625711, 278553380, 302429384, 378036730, 529251422, 557106760, 604858768, 756073460, 1058502844, 1114213520, 1323128555, 1512146920, 2117005688, 2646257110, 3024293840, 4234011376, 5292514220, 10585028440, 21170056880]

約数ペア:

[(1, 21170056880), (2, 10585028440), (4, 5292514220), (5, 4234011376), (7, 3024293840), (8, 2646257110), (10, 2117005688), (14, 1512146920), (16, 1323128555), (19, 1114213520), (20, 1058502844), (28, 756073460), (35, 604858768), (38, 557106760), (40, 529251422), (56, 378036730), (70, 302429384), (76, 278553380), (80, 264625711), (95, 222842704), (112, 189018365), (133, 159173360), (140, 151214692), (152, 139276690), (190, 111421352), (266, 79586680), (280, 75607346), (304, 69638345), (307, 68957840), (380, 55710676), (532, 39793340), (560, 37803673), (614, 34478920), (665, 31834672), (760, 27855338), (1064, 19896670), (1228, 17239460), (1330, 15917336), (1520, 13927669), (1535, 13791568), (2128, 9948335), (2149, 9851120), (2456, 8619730), (2660, 7958668), (3070, 6895784), (4298, 4925560), (4912, 4309865), (5320, 3979334), (5833, 3629360), (6140, 3447892), (6481, 3266480), (8596, 2462780), (10640, 1989667), (10745, 1970224), (11666, 1814680), (12280, 1723946), (12962, 1633240), (17192, 1231390), (21490, 985112), (23332, 907340), (24560, 861973), (25924, 816620), (29165, 725872), (32405, 653296), (34384, 615695), (40831, 518480), (42980, 492556), (45367, 466640), (46664, 453670), (51848, 408310), (58330, 362936), (64810, 326648), (81662, 259240), (85960, 246278), (90734, 233320), (93328, 226835), (103696, 204155), (116660, 181468), (123139, 171920), (129620, 163324)]