21764806

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42017}}^1$

素因数の和:42063

約数の個数: 16

約数和(自身を含む): 38320416

約数和(自身を除く): 16555610

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42017, 84034, 294119, 588238, 1554629, 3109258, 10882403, 21764806]

約数ペア:

[(1, 21764806), (2, 10882403), (7, 3109258), (14, 1554629), (37, 588238), (74, 294119), (259, 84034), (518, 42017)]