21526710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 32663370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 79, 93, 155, 158, 186, 237, 293, 310, 395, 465, 474, 586, 790, 879, 930, 1185, 1465, 1758, 2370, 2449, 2930, 4395, 4898, 7347, 8790, 9083, 12245, 14694, 18166, 23147, 24490, 27249, 36735, 45415, 46294, 54498, 69441, 73470, 90830, 115735, 136245, 138882, 231470, 272490, 347205, 694410, 717557, 1435114, 2152671, 3587785, 4305342, 7175570, 10763355, 21526710]

約数ペア:

[(1, 21526710), (2, 10763355), (3, 7175570), (5, 4305342), (6, 3587785), (10, 2152671), (15, 1435114), (30, 717557), (31, 694410), (62, 347205), (79, 272490), (93, 231470), (155, 138882), (158, 136245), (186, 115735), (237, 90830), (293, 73470), (310, 69441), (395, 54498), (465, 46294), (474, 45415), (586, 36735), (790, 27249), (879, 24490), (930, 23147), (1185, 18166), (1465, 14694), (1758, 12245), (2370, 9083), (2449, 8790), (2930, 7347), (4395, 4898)]