21915691355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8890747}}^1$

素因数の和:8890798

約数の個数: 16

約数和(自身を含む): 28806023520

約数和(自身を除く): 6890332165

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8890747, 44453735, 151142699, 257831663, 755713495, 1289158315, 4383138271, 21915691355]

約数ペア:

[(1, 21915691355), (5, 4383138271), (17, 1289158315), (29, 755713495), (85, 257831663), (145, 151142699), (493, 44453735), (2465, 8890747)]