21284150

素因数分解:

$2^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{2549}}^1$

素因数の和:2728

約数の個数: 24

約数和(自身を含む): 39841200

約数和(自身を除く): 18557050

約数列:

[1, 2, 5, 10, 25, 50, 167, 334, 835, 1670, 2549, 4175, 5098, 8350, 12745, 25490, 63725, 127450, 425683, 851366, 2128415, 4256830, 10642075, 21284150]

約数ペア:

[(1, 21284150), (2, 10642075), (5, 4256830), (10, 2128415), (25, 851366), (50, 425683), (167, 127450), (334, 63725), (835, 25490), (1670, 12745), (2549, 8350), (4175, 5098)]