21505080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179209}}^1$

素因数の和:179223

約数の個数: 32

約数和(自身を含む): 64515600

約数和(自身を除く): 43010520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179209, 358418, 537627, 716836, 896045, 1075254, 1433672, 1792090, 2150508, 2688135, 3584180, 4301016, 5376270, 7168360, 10752540, 21505080]

約数ペア:

[(1, 21505080), (2, 10752540), (3, 7168360), (4, 5376270), (5, 4301016), (6, 3584180), (8, 2688135), (10, 2150508), (12, 1792090), (15, 1433672), (20, 1075254), (24, 896045), (30, 716836), (40, 537627), (60, 358418), (120, 179209)]