21444040

素因数分解:

$2^3\times 5^1\times {\mathrm{536101}}^1$

素因数の和:536112

約数の個数: 16

約数和(自身を含む): 48249180

約数和(自身を除く): 26805140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536101, 1072202, 2144404, 2680505, 4288808, 5361010, 10722020, 21444040]

約数ペア:

[(1, 21444040), (2, 10722020), (4, 5361010), (5, 4288808), (8, 2680505), (10, 2144404), (20, 1072202), (40, 536101)]