21149966

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{1187}}^1$

素因数の和:1399

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11353714

約数列:

[1, 2, 59, 118, 151, 302, 1187, 2374, 8909, 17818, 70033, 140066, 179237, 358474, 10574983, 21149966]

約数ペア:

[(1, 21149966), (2, 10574983), (59, 358474), (118, 179237), (151, 140066), (302, 70033), (1187, 17818), (2374, 8909)]