21264445

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2300

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 5443523

約数列:

[1, 5, 41, 47, 205, 235, 1927, 2207, 9635, 11035, 90487, 103729, 452435, 518645, 4252889, 21264445]

約数ペア:

[(1, 21264445), (5, 4252889), (41, 518645), (47, 452435), (205, 103729), (235, 90487), (1927, 11035), (2207, 9635)]