21177960016

素因数分解:

$2^4\times {\mathrm{1323622501}}^1$

素因数の和:1323622509

約数の個数: 10

約数和(自身を含む): 41032297562

約数和(自身を除く): 19854337546

約数列:

[1, 2, 4, 8, 16, 1323622501, 2647245002, 5294490004, 10588980008, 21177960016]

約数ペア:

[(1, 21177960016), (2, 10588980008), (4, 5294490004), (8, 2647245002), (16, 1323622501)]