21211000

素因数分解:

$2^3\times 5^3\times {\mathrm{21211}}^1$

素因数の和:21232

約数の個数: 32

約数和(自身を含む): 49636080

約数和(自身を除く): 28425080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 530275, 848440, 1060550, 2121100, 2651375, 4242200, 5302750, 10605500, 21211000]

約数ペア:

[(1, 21211000), (2, 10605500), (4, 5302750), (5, 4242200), (8, 2651375), (10, 2121100), (20, 1060550), (25, 848440), (40, 530275), (50, 424220), (100, 212110), (125, 169688), (200, 106055), (250, 84844), (500, 42422), (1000, 21211)]