21390468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 33331836

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 347, 467, 694, 934, 1041, 1388, 1401, 1868, 2082, 2802, 3817, 4164, 5137, 5604, 7634, 10274, 11451, 15268, 15411, 20548, 22902, 30822, 45804, 61644, 162049, 324098, 486147, 648196, 972294, 1782539, 1944588, 3565078, 5347617, 7130156, 10695234, 21390468]

約数ペア:

[(1, 21390468), (2, 10695234), (3, 7130156), (4, 5347617), (6, 3565078), (11, 1944588), (12, 1782539), (22, 972294), (33, 648196), (44, 486147), (66, 324098), (132, 162049), (347, 61644), (467, 45804), (694, 30822), (934, 22902), (1041, 20548), (1388, 15411), (1401, 15268), (1868, 11451), (2082, 10274), (2802, 7634), (3817, 5604), (4164, 5137)]