21320596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3209}}^1$

素因数の和:3375

約数の個数: 24

約数和(自身を含む): 40985280

約数和(自身を除く): 19664684

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3209, 3322, 6418, 6644, 12836, 35299, 70598, 141196, 484559, 969118, 1938236, 5330149, 10660298, 21320596]

約数ペア:

[(1, 21320596), (2, 10660298), (4, 5330149), (11, 1938236), (22, 969118), (44, 484559), (151, 141196), (302, 70598), (604, 35299), (1661, 12836), (3209, 6644), (3322, 6418)]