21597023

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 26251776

約数和(自身を除く): 4654753

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2531, 8533, 17717, 58213, 134143, 407491, 939001, 3085289, 21597023]

約数ペア:

[(1, 21597023), (7, 3085289), (23, 939001), (53, 407491), (161, 134143), (371, 58213), (1219, 17717), (2531, 8533)]