21823615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{947}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 6843905

約数列:

[1, 5, 11, 55, 419, 947, 2095, 4609, 4735, 10417, 23045, 52085, 396793, 1983965, 4364723, 21823615]

約数ペア:

[(1, 21823615), (5, 4364723), (11, 1983965), (55, 396793), (419, 52085), (947, 23045), (2095, 10417), (4609, 4735)]