21401320

素因数分解:

$2^3\times 5^1\times {\mathrm{535033}}^1$

素因数の和:535044

約数の個数: 16

約数和(自身を含む): 48153060

約数和(自身を除く): 26751740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535033, 1070066, 2140132, 2675165, 4280264, 5350330, 10700660, 21401320]

約数ペア:

[(1, 21401320), (2, 10700660), (4, 5350330), (5, 4280264), (8, 2675165), (10, 2140132), (20, 1070066), (40, 535033)]