21095113

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 24521616

約数和(自身を除く): 3426503

約数列:

[1, 13, 17, 53, 221, 689, 901, 1801, 11713, 23413, 30617, 95453, 398021, 1240889, 1622701, 21095113]

約数ペア:

[(1, 21095113), (13, 1622701), (17, 1240889), (53, 398021), (221, 95453), (689, 30617), (901, 23413), (1801, 11713)]