21491900638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28503847}}^1$

素因数の和:28503891

約数の個数: 16

約数和(自身を含む): 35914848480

約数和(自身を除く): 14422947842

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 28503847, 57007694, 370550011, 741100022, 826611563, 1653223126, 10745950319, 21491900638]

約数ペア:

[(1, 21491900638), (2, 10745950319), (13, 1653223126), (26, 826611563), (29, 741100022), (58, 370550011), (377, 57007694), (754, 28503847)]