21190406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4561}}^1$

素因数の和:4687

約数の個数: 16

約数和(自身を含む): 33503328

約数和(自身を除く): 12312922

約数列:

[1, 2, 23, 46, 101, 202, 2323, 4561, 4646, 9122, 104903, 209806, 460661, 921322, 10595203, 21190406]

約数ペア:

[(1, 21190406), (2, 10595203), (23, 921322), (46, 460661), (101, 209806), (202, 104903), (2323, 9122), (4561, 4646)]