21309626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9209}}^1$

素因数の和:9313

約数の個数: 16

約数和(自身を含む): 34813800

約数和(自身を除く): 13504174

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9209, 18418, 119717, 239434, 819601, 1639202, 10654813, 21309626]

約数ペア:

[(1, 21309626), (2, 10654813), (13, 1639202), (26, 819601), (89, 239434), (178, 119717), (1157, 18418), (2314, 9209)]