21423028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21169}}^1$

素因数の和:21207

約数の個数: 24

約数和(自身を含む): 42678720

約数和(自身を除く): 21255692

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21169, 42338, 84676, 232859, 465718, 486887, 931436, 973774, 1947548, 5355757, 10711514, 21423028]

約数ペア:

[(1, 21423028), (2, 10711514), (4, 5355757), (11, 1947548), (22, 973774), (23, 931436), (44, 486887), (46, 465718), (92, 232859), (253, 84676), (506, 42338), (1012, 21169)]