21372934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42239}}^1$

素因数の和:42275

約数の個数: 16

約数和(自身を含む): 36495360

約数和(自身を除く): 15122426

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42239, 84478, 464629, 929258, 971497, 1942994, 10686467, 21372934]

約数ペア:

[(1, 21372934), (2, 10686467), (11, 1942994), (22, 971497), (23, 929258), (46, 464629), (253, 84478), (506, 42239)]