21746615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17191}}^1$

素因数の和:17230

約数の個数: 16

約数和(自身を含む): 29707776

約数和(自身を除く): 7961161

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 17191, 85955, 189101, 395393, 945505, 1976965, 4349323, 21746615]

約数ペア:

[(1, 21746615), (5, 4349323), (11, 1976965), (23, 945505), (55, 395393), (115, 189101), (253, 85955), (1265, 17191)]