21613110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 32093130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 73, 139, 142, 146, 213, 219, 278, 355, 365, 417, 426, 438, 695, 710, 730, 834, 1065, 1095, 1390, 2085, 2130, 2190, 4170, 5183, 9869, 10147, 10366, 15549, 19738, 20294, 25915, 29607, 30441, 31098, 49345, 50735, 51830, 59214, 60882, 77745, 98690, 101470, 148035, 152205, 155490, 296070, 304410, 720437, 1440874, 2161311, 3602185, 4322622, 7204370, 10806555, 21613110]

約数ペア:

[(1, 21613110), (2, 10806555), (3, 7204370), (5, 4322622), (6, 3602185), (10, 2161311), (15, 1440874), (30, 720437), (71, 304410), (73, 296070), (139, 155490), (142, 152205), (146, 148035), (213, 101470), (219, 98690), (278, 77745), (355, 60882), (365, 59214), (417, 51830), (426, 50735), (438, 49345), (695, 31098), (710, 30441), (730, 29607), (834, 25915), (1065, 20294), (1095, 19738), (1390, 15549), (2085, 10366), (2130, 10147), (2190, 9869), (4170, 5183)]