21722090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9829}}^1$

素因数の和:9866

約数の個数: 32

約数和(自身を含む): 44588880

約数和(自身を除く): 22866790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9829, 19658, 49145, 98290, 127777, 167093, 255554, 334186, 638885, 835465, 1277770, 1670930, 2172209, 4344418, 10861045, 21722090]

約数ペア:

[(1, 21722090), (2, 10861045), (5, 4344418), (10, 2172209), (13, 1670930), (17, 1277770), (26, 835465), (34, 638885), (65, 334186), (85, 255554), (130, 167093), (170, 127777), (221, 98290), (442, 49145), (1105, 19658), (2210, 9829)]