21566923

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 4157237

約数列:

[1, 7, 29, 131, 203, 811, 917, 3799, 5677, 23519, 26593, 106241, 164633, 743687, 3080989, 21566923]

約数ペア:

[(1, 21566923), (7, 3080989), (29, 743687), (131, 164633), (203, 106241), (811, 26593), (917, 23519), (3799, 5677)]