21516130

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45779}}^1$

素因数の和:45833

約数の個数: 16

約数和(自身を含む): 39553920

約数和(自身を除く): 18037790

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45779, 91558, 228895, 457790, 2151613, 4303226, 10758065, 21516130]

約数ペア:

[(1, 21516130), (2, 10758065), (5, 4303226), (10, 2151613), (47, 457790), (94, 228895), (235, 91558), (470, 45779)]