21799204

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12763}}^1$

素因数の和:12835

約数の個数: 24

約数和(自身を含む): 44316608

約数和(自身を除く): 22517404

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12763, 25526, 51052, 89341, 178682, 357364, 778543, 1557086, 3114172, 5449801, 10899602, 21799204]

約数ペア:

[(1, 21799204), (2, 10899602), (4, 5449801), (7, 3114172), (14, 1557086), (28, 778543), (61, 357364), (122, 178682), (244, 89341), (427, 51052), (854, 25526), (1708, 12763)]