21619838

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 32930496

約数和(自身を除く): 11310658

約数列:

[1, 2, 113, 226, 271, 353, 542, 706, 30623, 39889, 61246, 79778, 95663, 191326, 10809919, 21619838]

約数ペア:

[(1, 21619838), (2, 10809919), (113, 191326), (226, 95663), (271, 79778), (353, 61246), (542, 39889), (706, 30623)]