21470406

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 44229888

約数和(自身を除く): 22759482

約数列:

[1, 2, 3, 6, 53, 106, 107, 159, 214, 318, 321, 631, 642, 1262, 1893, 3786, 5671, 11342, 17013, 33443, 34026, 66886, 67517, 100329, 135034, 200658, 202551, 405102, 3578401, 7156802, 10735203, 21470406]

約数ペア:

[(1, 21470406), (2, 10735203), (3, 7156802), (6, 3578401), (53, 405102), (106, 202551), (107, 200658), (159, 135034), (214, 100329), (318, 67517), (321, 66886), (631, 34026), (642, 33443), (1262, 17013), (1893, 11342), (3786, 5671)]