21468935

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 26373600

約数和(自身を除く): 4904665

約数列:

[1, 5, 73, 131, 365, 449, 655, 2245, 9563, 32777, 47815, 58819, 163885, 294095, 4293787, 21468935]

約数ペア:

[(1, 21468935), (5, 4293787), (73, 294095), (131, 163885), (365, 58819), (449, 47815), (655, 32777), (2245, 9563)]