21455676

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54181}}^1$

素因数の和:54202

約数の個数: 36

約数和(自身を含む): 59166744

約数和(自身を除く): 37711068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54181, 108362, 162543, 216724, 325086, 487629, 595991, 650172, 975258, 1191982, 1787973, 1950516, 2383964, 3575946, 5363919, 7151892, 10727838, 21455676]

約数ペア:

[(1, 21455676), (2, 10727838), (3, 7151892), (4, 5363919), (6, 3575946), (9, 2383964), (11, 1950516), (12, 1787973), (18, 1191982), (22, 975258), (33, 650172), (36, 595991), (44, 487629), (66, 325086), (99, 216724), (132, 162543), (198, 108362), (396, 54181)]