21420698

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9257}}^1$

素因数の和:9361

約数の個数: 16

約数和(自身を含む): 34995240

約数和(自身を除く): 13574542

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9257, 18514, 120341, 240682, 823873, 1647746, 10710349, 21420698]

約数ペア:

[(1, 21420698), (2, 10710349), (13, 1647746), (26, 823873), (89, 240682), (178, 120341), (1157, 18514), (2314, 9257)]