21622378

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2441}}^1$

素因数の和:2589

約数の個数: 16

約数和(自身を含む): 33523776

約数和(自身を除く): 11901398

約数列:

[1, 2, 43, 86, 103, 206, 2441, 4429, 4882, 8858, 104963, 209926, 251423, 502846, 10811189, 21622378]

約数ペア:

[(1, 21622378), (2, 10811189), (43, 502846), (86, 251423), (103, 209926), (206, 104963), (2441, 8858), (4429, 4882)]