21872650

素因数分解:

$2^1\times 5^2\times {\mathrm{617}}^1\times {\mathrm{709}}^1$

素因数の和:1338

約数の個数: 24

約数和(自身を含む): 40806540

約数和(自身を除く): 18933890

約数列:

[1, 2, 5, 10, 25, 50, 617, 709, 1234, 1418, 3085, 3545, 6170, 7090, 15425, 17725, 30850, 35450, 437453, 874906, 2187265, 4374530, 10936325, 21872650]

約数ペア:

[(1, 21872650), (2, 10936325), (5, 4374530), (10, 2187265), (25, 874906), (50, 437453), (617, 35450), (709, 30850), (1234, 17725), (1418, 15425), (3085, 7090), (3545, 6170)]