21857258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9749}}^1$

素因数の和:9829

約数の個数: 16

約数和(自身を含む): 35100000

約数和(自身を除く): 13242742

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9749, 19498, 185231, 370462, 575191, 1150382, 10928629, 21857258]

約数ペア:

[(1, 21857258), (2, 10928629), (19, 1150382), (38, 575191), (59, 370462), (118, 185231), (1121, 19498), (2242, 9749)]