21323650

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1013}}^1$

素因数の和:1446

約数の個数: 24

約数和(自身を含む): 39795444

約数和(自身を除く): 18471794

約数列:

[1, 2, 5, 10, 25, 50, 421, 842, 1013, 2026, 2105, 4210, 5065, 10130, 10525, 21050, 25325, 50650, 426473, 852946, 2132365, 4264730, 10661825, 21323650]

約数ペア:

[(1, 21323650), (2, 10661825), (5, 4264730), (10, 2132365), (25, 852946), (50, 426473), (421, 50650), (842, 25325), (1013, 21050), (2026, 10525), (2105, 10130), (4210, 5065)]