21373669136

素因数分解:

$2^4\times {\mathrm{1335854321}}^1$

素因数の和:1335854329

約数の個数: 10

約数和(自身を含む): 41411483982

約数和(自身を除く): 20037814846

約数列:

[1, 2, 4, 8, 16, 1335854321, 2671708642, 5343417284, 10686834568, 21373669136]

約数ペア:

[(1, 21373669136), (2, 10686834568), (4, 5343417284), (8, 2671708642), (16, 1335854321)]