21322436

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{75079}}^1$

素因数の和:75154

約数の個数: 12

約数和(自身を含む): 37840320

約数和(自身を除く): 16517884

約数列:

[1, 2, 4, 71, 142, 284, 75079, 150158, 300316, 5330609, 10661218, 21322436]

約数ペア:

[(1, 21322436), (2, 10661218), (4, 5330609), (71, 300316), (142, 150158), (284, 75079)]