21849265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1931}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 27449856

約数和(自身を除く): 5600591

約数列:

[1, 5, 31, 73, 155, 365, 1931, 2263, 9655, 11315, 59861, 140963, 299305, 704815, 4369853, 21849265]

約数ペア:

[(1, 21849265), (5, 4369853), (31, 704815), (73, 299305), (155, 140963), (365, 59861), (1931, 11315), (2263, 9655)]