21223418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19259}}^1$

素因数の和:19309

約数の個数: 16

約数和(自身を含む): 34668000

約数和(自身を除く): 13444582

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19259, 38518, 365921, 558511, 731842, 1117022, 10611709, 21223418]

約数ペア:

[(1, 21223418), (2, 10611709), (19, 1117022), (29, 731842), (38, 558511), (58, 365921), (551, 38518), (1102, 19259)]