21095024

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2309}}^1$

素因数の和:2888

約数の個数: 20

約数和(自身を含む): 40960920

約数和(自身を除く): 19865896

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 2309, 4568, 4618, 9136, 9236, 18472, 36944, 1318439, 2636878, 5273756, 10547512, 21095024]

約数ペア:

[(1, 21095024), (2, 10547512), (4, 5273756), (8, 2636878), (16, 1318439), (571, 36944), (1142, 18472), (2284, 9236), (2309, 9136), (4568, 4618)]