21266500

素因数分解:

$2^2\times 5^3\times {\mathrm{42533}}^1$

素因数の和:42552

約数の個数: 24

約数和(自身を含む): 46447128

約数和(自身を除く): 25180628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42533, 85066, 170132, 212665, 425330, 850660, 1063325, 2126650, 4253300, 5316625, 10633250, 21266500]

約数ペア:

[(1, 21266500), (2, 10633250), (4, 5316625), (5, 4253300), (10, 2126650), (20, 1063325), (25, 850660), (50, 425330), (100, 212665), (125, 170132), (250, 85066), (500, 42533)]