21476130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 35133150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1039, 1378, 1590, 2067, 2078, 3117, 3445, 4134, 5195, 6234, 6890, 10335, 10390, 13507, 15585, 20670, 27014, 31170, 40521, 55067, 67535, 81042, 110134, 135070, 165201, 202605, 275335, 330402, 405210, 550670, 715871, 826005, 1431742, 1652010, 2147613, 3579355, 4295226, 7158710, 10738065, 21476130]

約数ペア:

[(1, 21476130), (2, 10738065), (3, 7158710), (5, 4295226), (6, 3579355), (10, 2147613), (13, 1652010), (15, 1431742), (26, 826005), (30, 715871), (39, 550670), (53, 405210), (65, 330402), (78, 275335), (106, 202605), (130, 165201), (159, 135070), (195, 110134), (265, 81042), (318, 67535), (390, 55067), (530, 40521), (689, 31170), (795, 27014), (1039, 20670), (1378, 15585), (1590, 13507), (2067, 10390), (2078, 10335), (3117, 6890), (3445, 6234), (4134, 5195)]