21248246

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 32526576

約数和(自身を除く): 11278330

約数列:

[1, 2, 67, 134, 257, 514, 617, 1234, 17219, 34438, 41339, 82678, 158569, 317138, 10624123, 21248246]

約数ペア:

[(1, 21248246), (2, 10624123), (67, 317138), (134, 158569), (257, 82678), (514, 41339), (617, 34438), (1234, 17219)]