21378374080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{11059}}^1$

素因数の和:11946

約数の個数: 112

約数和(自身を含む): 58252400640

約数和(自身を除く): 36874026560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 863, 1120, 1726, 2240, 3452, 4315, 6041, 6904, 8630, 11059, 12082, 13808, 17260, 22118, 24164, 27616, 30205, 34520, 44236, 48328, 55232, 55295, 60410, 69040, 77413, 88472, 96656, 110590, 120820, 138080, 154826, 176944, 193312, 221180, 241640, 276160, 309652, 353888, 386624, 387065, 442360, 483280, 619304, 707776, 774130, 884720, 966560, 1238608, 1548260, 1769440, 1933120, 2477216, 3096520, 3538880, 4954432, 6193040, 9543917, 12386080, 19087834, 24772160, 38175668, 47719585, 66807419, 76351336, 95439170, 133614838, 152702672, 190878340, 267229676, 305405344, 334037095, 381756680, 534459352, 610810688, 668074190, 763513360, 1068918704, 1336148380, 1527026720, 2137837408, 2672296760, 3054053440, 4275674816, 5344593520, 10689187040, 21378374080]

約数ペア:

[(1, 21378374080), (2, 10689187040), (4, 5344593520), (5, 4275674816), (7, 3054053440), (8, 2672296760), (10, 2137837408), (14, 1527026720), (16, 1336148380), (20, 1068918704), (28, 763513360), (32, 668074190), (35, 610810688), (40, 534459352), (56, 381756680), (64, 334037095), (70, 305405344), (80, 267229676), (112, 190878340), (140, 152702672), (160, 133614838), (224, 95439170), (280, 76351336), (320, 66807419), (448, 47719585), (560, 38175668), (863, 24772160), (1120, 19087834), (1726, 12386080), (2240, 9543917), (3452, 6193040), (4315, 4954432), (6041, 3538880), (6904, 3096520), (8630, 2477216), (11059, 1933120), (12082, 1769440), (13808, 1548260), (17260, 1238608), (22118, 966560), (24164, 884720), (27616, 774130), (30205, 707776), (34520, 619304), (44236, 483280), (48328, 442360), (55232, 387065), (55295, 386624), (60410, 353888), (69040, 309652), (77413, 276160), (88472, 241640), (96656, 221180), (110590, 193312), (120820, 176944), (138080, 154826)]