21921218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{6113}}^1$

素因数の和:6289

約数の個数: 16

約数和(自身を含む): 36097056

約数和(自身を除く): 14175838

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 6113, 12226, 67243, 134486, 996419, 1992838, 10960609, 21921218]

約数ペア:

[(1, 21921218), (2, 10960609), (11, 1992838), (22, 996419), (163, 134486), (326, 67243), (1793, 12226), (3586, 6113)]