21167404138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557036951}}^1$

素因数の和:557036972

約数の個数: 8

約数和(自身を含む): 33422217120

約数和(自身を除く): 12254812982

約数列:

[1, 2, 19, 38, 557036951, 1114073902, 10583702069, 21167404138]

約数ペア:

[(1, 21167404138), (2, 10583702069), (19, 1114073902), (38, 557036951)]