21039250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3659}}^1$

素因数の和:3699

約数の個数: 32

約数和(自身を含む): 41109120

約数和(自身を除く): 20069870

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3659, 5750, 7318, 18295, 36590, 84157, 91475, 168314, 182950, 420785, 457375, 841570, 914750, 2103925, 4207850, 10519625, 21039250]

約数ペア:

[(1, 21039250), (2, 10519625), (5, 4207850), (10, 2103925), (23, 914750), (25, 841570), (46, 457375), (50, 420785), (115, 182950), (125, 168314), (230, 91475), (250, 84157), (575, 36590), (1150, 18295), (2875, 7318), (3659, 5750)]