21167350491

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2659549}}^1$

素因数の和:2659938

約数の個数: 16

約数和(自身を含む): 32340128000

約数和(自身を除く): 11172777509

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 2659549, 7978647, 18616843, 55850529, 1007969071, 3023907213, 7055783497, 21167350491]

約数ペア:

[(1, 21167350491), (3, 7055783497), (7, 3023907213), (21, 1007969071), (379, 55850529), (1137, 18616843), (2653, 7978647), (7959, 2659549)]