21318782

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7937}}^1$

素因数の和:8035

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 12973378

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7937, 15874, 134929, 269858, 627023, 1254046, 10659391, 21318782]

約数ペア:

[(1, 21318782), (2, 10659391), (17, 1254046), (34, 627023), (79, 269858), (158, 134929), (1343, 15874), (2686, 7937)]