21232620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117959}}^1$

素因数の和:117974

約数の個数: 36

約数和(自身を含む): 64406160

約数和(自身を除く): 43173540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117959, 235918, 353877, 471836, 589795, 707754, 1061631, 1179590, 1415508, 1769385, 2123262, 2359180, 3538770, 4246524, 5308155, 7077540, 10616310, 21232620]

約数ペア:

[(1, 21232620), (2, 10616310), (3, 7077540), (4, 5308155), (5, 4246524), (6, 3538770), (9, 2359180), (10, 2123262), (12, 1769385), (15, 1415508), (18, 1179590), (20, 1061631), (30, 707754), (36, 589795), (45, 471836), (60, 353877), (90, 235918), (180, 117959)]