21349175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 27962496

約数和(自身を除く): 6613321

約数列:

[1, 5, 23, 25, 107, 115, 347, 535, 575, 1735, 2461, 2675, 7981, 8675, 12305, 37129, 39905, 61525, 185645, 199525, 853967, 928225, 4269835, 21349175]

約数ペア:

[(1, 21349175), (5, 4269835), (23, 928225), (25, 853967), (107, 199525), (115, 185645), (347, 61525), (535, 39905), (575, 37129), (1735, 12305), (2461, 8675), (2675, 7981)]