21523508

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{75787}}^1$

素因数の和:75862

約数の個数: 12

約数和(自身を含む): 38197152

約数和(自身を除く): 16673644

約数列:

[1, 2, 4, 71, 142, 284, 75787, 151574, 303148, 5380877, 10761754, 21523508]

約数ペア:

[(1, 21523508), (2, 10761754), (4, 5380877), (71, 303148), (142, 151574), (284, 75787)]