21129250

素因数分解:

$2^1\times 5^3\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 18706910

約数列:

[1, 2, 5, 10, 25, 50, 125, 223, 250, 379, 446, 758, 1115, 1895, 2230, 3790, 5575, 9475, 11150, 18950, 27875, 47375, 55750, 84517, 94750, 169034, 422585, 845170, 2112925, 4225850, 10564625, 21129250]

約数ペア:

[(1, 21129250), (2, 10564625), (5, 4225850), (10, 2112925), (25, 845170), (50, 422585), (125, 169034), (223, 94750), (250, 84517), (379, 55750), (446, 47375), (758, 27875), (1115, 18950), (1895, 11150), (2230, 9475), (3790, 5575)]