21227690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192979}}^1$

素因数の和:192997

約数の個数: 16

約数和(自身を含む): 41683680

約数和(自身を除く): 20455990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192979, 385958, 964895, 1929790, 2122769, 4245538, 10613845, 21227690]

約数ペア:

[(1, 21227690), (2, 10613845), (5, 4245538), (10, 2122769), (11, 1929790), (22, 964895), (55, 385958), (110, 192979)]