21188502

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40591}}^1$

素因数の和:40628

約数の個数: 24

約数和(自身を含む): 47492640

約数和(自身を除く): 26304138

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40591, 81182, 121773, 243546, 365319, 730638, 1177139, 2354278, 3531417, 7062834, 10594251, 21188502]

約数ペア:

[(1, 21188502), (2, 10594251), (3, 7062834), (6, 3531417), (9, 2354278), (18, 1177139), (29, 730638), (58, 365319), (87, 243546), (174, 121773), (261, 81182), (522, 40591)]