21120164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17659}}^1$

素因数の和:17699

約数の個数: 24

約数和(自身を含む): 41536320

約数和(自身を除く): 20416156

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17659, 35318, 70636, 229567, 406157, 459134, 812314, 918268, 1624628, 5280041, 10560082, 21120164]

約数ペア:

[(1, 21120164), (2, 10560082), (4, 5280041), (13, 1624628), (23, 918268), (26, 812314), (46, 459134), (52, 406157), (92, 229567), (299, 70636), (598, 35318), (1196, 17659)]