21308424

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 35542776

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 83, 114, 152, 166, 228, 249, 332, 456, 498, 563, 664, 996, 1126, 1577, 1689, 1992, 2252, 3154, 3378, 4504, 4731, 6308, 6756, 9462, 10697, 12616, 13512, 18924, 21394, 32091, 37848, 42788, 46729, 64182, 85576, 93458, 128364, 140187, 186916, 256728, 280374, 373832, 560748, 887851, 1121496, 1775702, 2663553, 3551404, 5327106, 7102808, 10654212, 21308424]

約数ペア:

[(1, 21308424), (2, 10654212), (3, 7102808), (4, 5327106), (6, 3551404), (8, 2663553), (12, 1775702), (19, 1121496), (24, 887851), (38, 560748), (57, 373832), (76, 280374), (83, 256728), (114, 186916), (152, 140187), (166, 128364), (228, 93458), (249, 85576), (332, 64182), (456, 46729), (498, 42788), (563, 37848), (664, 32091), (996, 21394), (1126, 18924), (1577, 13512), (1689, 12616), (1992, 10697), (2252, 9462), (3154, 6756), (3378, 6308), (4504, 4731)]