21092450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10289}}^1$

素因数の和:10342

約数の個数: 24

約数和(自身を含む): 40192740

約数和(自身を除く): 19100290

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10289, 20578, 51445, 102890, 257225, 421849, 514450, 843698, 2109245, 4218490, 10546225, 21092450]

約数ペア:

[(1, 21092450), (2, 10546225), (5, 4218490), (10, 2109245), (25, 843698), (41, 514450), (50, 421849), (82, 257225), (205, 102890), (410, 51445), (1025, 20578), (2050, 10289)]