21497091837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3381641}}^1$

素因数の和:3381820

約数の個数: 16

約数和(自身を含む): 31057000128

約数和(自身を除く): 9559908291

約数列:

[1, 3, 13, 39, 163, 489, 2119, 6357, 3381641, 10144923, 43961333, 131883999, 551207483, 1653622449, 7165697279, 21497091837]

約数ペア:

[(1, 21497091837), (3, 7165697279), (13, 1653622449), (39, 551207483), (163, 131883999), (489, 43961333), (2119, 10144923), (6357, 3381641)]