21230452

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3877}}^1$

素因数の和:3955

約数の個数: 18

約数和(自身を含む): 38194422

約数和(自身を除く): 16963970

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3877, 5476, 7754, 15508, 143449, 286898, 573796, 5307613, 10615226, 21230452]

約数ペア:

[(1, 21230452), (2, 10615226), (4, 5307613), (37, 573796), (74, 286898), (148, 143449), (1369, 15508), (2738, 7754), (3877, 5476)]