21376522

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1049}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12189878

約数列:

[1, 2, 23, 46, 443, 886, 1049, 2098, 10189, 20378, 24127, 48254, 464707, 929414, 10688261, 21376522]

約数ペア:

[(1, 21376522), (2, 10688261), (23, 929414), (46, 464707), (443, 48254), (886, 24127), (1049, 20378), (2098, 10189)]