21846050

素因数分解:

$2^1\times 5^2\times {\mathrm{661}}^2$

素因数の和:1334

約数の個数: 18

約数和(自身を含む): 40695219

約数和(自身を除く): 18849169

約数列:

[1, 2, 5, 10, 25, 50, 661, 1322, 3305, 6610, 16525, 33050, 436921, 873842, 2184605, 4369210, 10923025, 21846050]

約数ペア:

[(1, 21846050), (2, 10923025), (5, 4369210), (10, 2184605), (25, 873842), (50, 436921), (661, 33050), (1322, 16525), (3305, 6610)]