21117050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10301}}^1$

素因数の和:10354

約数の個数: 24

約数和(自身を含む): 40239612

約数和(自身を除く): 19122562

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10301, 20602, 51505, 103010, 257525, 422341, 515050, 844682, 2111705, 4223410, 10558525, 21117050]

約数ペア:

[(1, 21117050), (2, 10558525), (5, 4223410), (10, 2111705), (25, 844682), (41, 515050), (50, 422341), (82, 257525), (205, 103010), (410, 51505), (1025, 20602), (2050, 10301)]