21000880909

素因数分解:

${\mathrm{127}}^1\times {\mathrm{2113}}^1\times {\mathrm{78259}}^1$

素因数の和:80499

約数の個数: 8

約数和(自身を含む): 21176529920

約数和(自身を除く): 175649011

約数列:

[1, 127, 2113, 78259, 268351, 9938893, 165361267, 21000880909]

約数ペア:

[(1, 21000880909), (127, 165361267), (2113, 9938893), (78259, 268351)]