21704150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33391}}^1$

素因数の和:33416

約数の個数: 24

約数和(自身を含む): 43476384

約数和(自身を除く): 21772234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33391, 66782, 166955, 333910, 434083, 834775, 868166, 1669550, 2170415, 4340830, 10852075, 21704150]

約数ペア:

[(1, 21704150), (2, 10852075), (5, 4340830), (10, 2170415), (13, 1669550), (25, 868166), (26, 834775), (50, 434083), (65, 333910), (130, 166955), (325, 66782), (650, 33391)]