21589100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16607}}^1$

素因数の和:16634

約数の個数: 36

約数和(自身を含む): 50455104

約数和(自身を除く): 28866004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16607, 33214, 66428, 83035, 166070, 215891, 332140, 415175, 431782, 830350, 863564, 1079455, 1660700, 2158910, 4317820, 5397275, 10794550, 21589100]

約数ペア:

[(1, 21589100), (2, 10794550), (4, 5397275), (5, 4317820), (10, 2158910), (13, 1660700), (20, 1079455), (25, 863564), (26, 830350), (50, 431782), (52, 415175), (65, 332140), (100, 215891), (130, 166070), (260, 83035), (325, 66428), (650, 33214), (1300, 16607)]