21623404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 43200360

約数和(自身を除く): 21576956

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 529, 929, 1012, 1058, 1858, 2116, 3716, 5819, 10219, 11638, 20438, 21367, 23276, 40876, 42734, 85468, 235037, 470074, 491441, 940148, 982882, 1965764, 5405851, 10811702, 21623404]

約数ペア:

[(1, 21623404), (2, 10811702), (4, 5405851), (11, 1965764), (22, 982882), (23, 940148), (44, 491441), (46, 470074), (92, 235037), (253, 85468), (506, 42734), (529, 40876), (929, 23276), (1012, 21367), (1058, 20438), (1858, 11638), (2116, 10219), (3716, 5819)]