21240098

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 35838720

約数和(自身を除く): 14598622

約数列:

[1, 2, 11, 22, 79, 101, 121, 158, 202, 242, 869, 1111, 1331, 1738, 2222, 2662, 7979, 9559, 12221, 15958, 19118, 24442, 87769, 105149, 134431, 175538, 210298, 268862, 965459, 1930918, 10620049, 21240098]

約数ペア:

[(1, 21240098), (2, 10620049), (11, 1930918), (22, 965459), (79, 268862), (101, 210298), (121, 175538), (158, 134431), (202, 105149), (242, 87769), (869, 24442), (1111, 19118), (1331, 15958), (1738, 12221), (2222, 9559), (2662, 7979)]