20210909675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{147283}}^1$

素因数の和:147803

約数の個数: 24

約数和(自身を含む): 27394824000

約数和(自身を除く): 7183914325

約数列:

[1, 5, 11, 25, 55, 275, 499, 2495, 5489, 12475, 27445, 137225, 147283, 736415, 1620113, 3682075, 8100565, 40502825, 73494217, 367471085, 808436387, 1837355425, 4042181935, 20210909675]

約数ペア:

[(1, 20210909675), (5, 4042181935), (11, 1837355425), (25, 808436387), (55, 367471085), (275, 73494217), (499, 40502825), (2495, 8100565), (5489, 3682075), (12475, 1620113), (27445, 736415), (137225, 147283)]