21093650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9811}}^1$

素因数の和:9866

約数の個数: 24

約数和(自身を含む): 40150704

約数和(自身を除く): 19057054

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9811, 19622, 49055, 98110, 245275, 421873, 490550, 843746, 2109365, 4218730, 10546825, 21093650]

約数ペア:

[(1, 21093650), (2, 10546825), (5, 4218730), (10, 2109365), (25, 843746), (43, 490550), (50, 421873), (86, 245275), (215, 98110), (430, 49055), (1075, 19622), (2150, 9811)]