21549665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 5175583

約数列:

[1, 5, 43, 113, 215, 565, 887, 4435, 4859, 24295, 38141, 100231, 190705, 501155, 4309933, 21549665]

約数ペア:

[(1, 21549665), (5, 4309933), (43, 501155), (113, 190705), (215, 100231), (565, 38141), (887, 24295), (4435, 4859)]