21609133

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2861}}^1$

素因数の和:2964

約数の個数: 16

約数和(自身を含む): 26925696

約数和(自身を除く): 5316563

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2861, 7553, 20027, 37193, 237463, 260351, 1662241, 3087019, 21609133]

約数ペア:

[(1, 21609133), (7, 3087019), (13, 1662241), (83, 260351), (91, 237463), (581, 37193), (1079, 20027), (2861, 7553)]