21286083

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 35316736

約数和(自身を除く): 14030653

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 757, 1339, 2163, 2271, 4017, 5299, 9373, 9841, 15897, 28119, 29523, 68887, 77971, 206661, 233913, 545797, 1013623, 1637391, 3040869, 7095361, 21286083]

約数ペア:

[(1, 21286083), (3, 7095361), (7, 3040869), (13, 1637391), (21, 1013623), (39, 545797), (91, 233913), (103, 206661), (273, 77971), (309, 68887), (721, 29523), (757, 28119), (1339, 15897), (2163, 9841), (2271, 9373), (4017, 5299)]