21905402

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2543}}^1$

素因数の和:2677

約数の個数: 16

約数和(自身を含む): 33886080

約数和(自身を除く): 11980678

約数列:

[1, 2, 59, 73, 118, 146, 2543, 4307, 5086, 8614, 150037, 185639, 300074, 371278, 10952701, 21905402]

約数ペア:

[(1, 21905402), (2, 10952701), (59, 371278), (73, 300074), (118, 185639), (146, 150037), (2543, 8614), (4307, 5086)]