21808622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1571}}^1$

素因数の和:2215

約数の個数: 16

約数和(自身を含む): 35766144

約数和(自身を除く): 13957522

約数列:

[1, 2, 11, 22, 631, 1262, 1571, 3142, 6941, 13882, 17281, 34562, 991301, 1982602, 10904311, 21808622]

約数ペア:

[(1, 21808622), (2, 10904311), (11, 1982602), (22, 991301), (631, 34562), (1262, 17281), (1571, 13882), (3142, 6941)]