21274264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 45589320

約数和(自身を除く): 24315056

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 457, 506, 529, 914, 1012, 1058, 1828, 2024, 2116, 3656, 4232, 5027, 5819, 10054, 10511, 11638, 20108, 21022, 23276, 40216, 42044, 46552, 84088, 115621, 231242, 241753, 462484, 483506, 924968, 967012, 1934024, 2659283, 5318566, 10637132, 21274264]

約数ペア:

[(1, 21274264), (2, 10637132), (4, 5318566), (8, 2659283), (11, 1934024), (22, 967012), (23, 924968), (44, 483506), (46, 462484), (88, 241753), (92, 231242), (184, 115621), (253, 84088), (457, 46552), (506, 42044), (529, 40216), (914, 23276), (1012, 21022), (1058, 20108), (1828, 11638), (2024, 10511), (2116, 10054), (3656, 5819), (4232, 5027)]