21194621

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 4086019

約数列:

[1, 7, 29, 131, 203, 797, 917, 3799, 5579, 23113, 26593, 104407, 161791, 730849, 3027803, 21194621]

約数ペア:

[(1, 21194621), (7, 3027803), (29, 730849), (131, 161791), (203, 104407), (797, 26593), (917, 23113), (3799, 5579)]