21079868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7901}}^1$

素因数の和:7957

約数の個数: 24

約数和(自身を含む): 39826080

約数和(自身を除く): 18746212

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7901, 15802, 31604, 181723, 229129, 363446, 458258, 726892, 916516, 5269967, 10539934, 21079868]

約数ペア:

[(1, 21079868), (2, 10539934), (4, 5269967), (23, 916516), (29, 726892), (46, 458258), (58, 363446), (92, 229129), (116, 181723), (667, 31604), (1334, 15802), (2668, 7901)]