21322450

素因数分解:

$2^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1699}}^1$

素因数の和:1962

約数の個数: 24

約数和(自身を含む): 39841200

約数和(自身を除く): 18518750

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 1699, 2510, 3398, 6275, 8495, 12550, 16990, 42475, 84950, 426449, 852898, 2132245, 4264490, 10661225, 21322450]

約数ペア:

[(1, 21322450), (2, 10661225), (5, 4264490), (10, 2132245), (25, 852898), (50, 426449), (251, 84950), (502, 42475), (1255, 16990), (1699, 12550), (2510, 8495), (3398, 6275)]