21293416

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{17627}}^1$

素因数の和:17784

約数の個数: 16

約数和(自身を含む): 40191840

約数和(自身を除く): 18898424

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 17627, 35254, 70508, 141016, 2661677, 5323354, 10646708, 21293416]

約数ペア:

[(1, 21293416), (2, 10646708), (4, 5323354), (8, 2661677), (151, 141016), (302, 70508), (604, 35254), (1208, 17627)]