21316885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 26717040

約数和(自身を除く): 5400155

約数列:

[1, 5, 29, 113, 145, 565, 1301, 3277, 6505, 16385, 37729, 147013, 188645, 735065, 4263377, 21316885]

約数ペア:

[(1, 21316885), (5, 4263377), (29, 735065), (113, 188645), (145, 147013), (565, 37729), (1301, 16385), (3277, 6505)]