21192437

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 25426944

約数和(自身を除く): 4234507

約数列:

[1, 7, 31, 61, 217, 427, 1601, 1891, 11207, 13237, 49631, 97661, 347417, 683627, 3027491, 21192437]

約数ペア:

[(1, 21192437), (7, 3027491), (31, 683627), (61, 347417), (217, 97661), (427, 49631), (1601, 13237), (1891, 11207)]