2021609890

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1129391}}^1$

素因数の和:1129577

約数の個数: 16

約数和(自身を含む): 3659230080

約数和(自身を除く): 1637620190

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 1129391, 2258782, 5646955, 11293910, 202160989, 404321978, 1010804945, 2021609890]

約数ペア:

[(1, 2021609890), (2, 1010804945), (5, 404321978), (10, 202160989), (179, 11293910), (358, 5646955), (895, 2258782), (1790, 1129391)]