21631922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 15790078

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 442, 449, 898, 1417, 1853, 2834, 3706, 5837, 7633, 11674, 15266, 24089, 48178, 48941, 97882, 99229, 198458, 636233, 831997, 1272466, 1663994, 10815961, 21631922]

約数ペア:

[(1, 21631922), (2, 10815961), (13, 1663994), (17, 1272466), (26, 831997), (34, 636233), (109, 198458), (218, 99229), (221, 97882), (442, 48941), (449, 48178), (898, 24089), (1417, 15266), (1853, 11674), (2834, 7633), (3706, 5837)]