21227468

素因数分解:

$2^2\times {\mathrm{1117}}^1\times {\mathrm{4751}}^1$

素因数の和:5872

約数の個数: 12

約数和(自身を含む): 37189152

約数和(自身を除く): 15961684

約数列:

[1, 2, 4, 1117, 2234, 4468, 4751, 9502, 19004, 5306867, 10613734, 21227468]

約数ペア:

[(1, 21227468), (2, 10613734), (4, 5306867), (1117, 19004), (2234, 9502), (4468, 4751)]