21612900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{72043}}^1$

素因数の和:72060

約数の個数: 36

約数和(自身を含む): 62534192

約数和(自身を除く): 40921292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 72043, 144086, 216129, 288172, 360215, 432258, 720430, 864516, 1080645, 1440860, 1801075, 2161290, 3602150, 4322580, 5403225, 7204300, 10806450, 21612900]

約数ペア:

[(1, 21612900), (2, 10806450), (3, 7204300), (4, 5403225), (5, 4322580), (6, 3602150), (10, 2161290), (12, 1801075), (15, 1440860), (20, 1080645), (25, 864516), (30, 720430), (50, 432258), (60, 360215), (75, 288172), (100, 216129), (150, 144086), (300, 72043)]