21826705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 27363600

約数和(自身を除く): 5536895

約数列:

[1, 5, 29, 109, 145, 545, 1381, 3161, 6905, 15805, 40049, 150529, 200245, 752645, 4365341, 21826705]

約数ペア:

[(1, 21826705), (5, 4365341), (29, 752645), (109, 200245), (145, 150529), (545, 40049), (1381, 15805), (3161, 6905)]