21031376

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22279}}^1$

素因数の和:22346

約数の個数: 20

約数和(自身を含む): 41440800

約数和(自身を除く): 20409424

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22279, 44558, 89116, 178232, 356464, 1314461, 2628922, 5257844, 10515688, 21031376]

約数ペア:

[(1, 21031376), (2, 10515688), (4, 5257844), (8, 2628922), (16, 1314461), (59, 356464), (118, 178232), (236, 89116), (472, 44558), (944, 22279)]