21520204

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{185519}}^1$

素因数の和:185552

約数の個数: 12

約数和(自身を含む): 38959200

約数和(自身を除く): 17438996

約数列:

[1, 2, 4, 29, 58, 116, 185519, 371038, 742076, 5380051, 10760102, 21520204]

約数ペア:

[(1, 21520204), (2, 10760102), (4, 5380051), (29, 742076), (58, 371038), (116, 185519)]