21912218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1237}}^1$

素因数の和:1777

約数の個数: 16

約数和(自身を含む): 34896744

約数和(自身を除く): 12984526

約数列:

[1, 2, 17, 34, 521, 1042, 1237, 2474, 8857, 17714, 21029, 42058, 644477, 1288954, 10956109, 21912218]

約数ペア:

[(1, 21912218), (2, 10956109), (17, 1288954), (34, 644477), (521, 42058), (1042, 21029), (1237, 17714), (2474, 8857)]