21090962

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 32647320

約数和(自身を除く): 11556358

約数列:

[1, 2, 37, 74, 257, 514, 1109, 2218, 9509, 19018, 41033, 82066, 285013, 570026, 10545481, 21090962]

約数ペア:

[(1, 21090962), (2, 10545481), (37, 570026), (74, 285013), (257, 82066), (514, 41033), (1109, 19018), (2218, 9509)]