21507004

素因数分解:

$2^2\times {\mathrm{631}}^1\times {\mathrm{8521}}^1$

素因数の和:9156

約数の個数: 12

約数和(自身を含む): 37701328

約数和(自身を除く): 16194324

約数列:

[1, 2, 4, 631, 1262, 2524, 8521, 17042, 34084, 5376751, 10753502, 21507004]

約数ペア:

[(1, 21507004), (2, 10753502), (4, 5376751), (631, 34084), (1262, 17042), (2524, 8521)]