21996052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{423001}}^1$

素因数の和:423018

約数の個数: 12

約数和(自身を含む): 41454196

約数和(自身を除く): 19458144

約数列:

[1, 2, 4, 13, 26, 52, 423001, 846002, 1692004, 5499013, 10998026, 21996052]

約数ペア:

[(1, 21996052), (2, 10998026), (4, 5499013), (13, 1692004), (26, 846002), (52, 423001)]