21226414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15817}}^1$

素因数の和:15891

約数の個数: 16

約数和(自身を含む): 35305776

約数和(自身を除く): 14079362

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15817, 31634, 173987, 347974, 964837, 1929674, 10613207, 21226414]

約数ペア:

[(1, 21226414), (2, 10613207), (11, 1929674), (22, 964837), (61, 347974), (122, 173987), (671, 31634), (1342, 15817)]