21189169

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1672271

約数列:

[1, 29, 41, 71, 251, 1189, 2059, 2911, 7279, 10291, 17821, 84419, 298439, 516809, 730661, 21189169]

約数ペア:

[(1, 21189169), (29, 730661), (41, 516809), (71, 298439), (251, 84419), (1189, 17821), (2059, 10291), (2911, 7279)]