21247248

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40241}}^1$

素因数の和:40263

約数の個数: 40

約数和(自身を含む): 59880096

約数和(自身を除く): 38632848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40241, 80482, 120723, 160964, 241446, 321928, 442651, 482892, 643856, 885302, 965784, 1327953, 1770604, 1931568, 2655906, 3541208, 5311812, 7082416, 10623624, 21247248]

約数ペア:

[(1, 21247248), (2, 10623624), (3, 7082416), (4, 5311812), (6, 3541208), (8, 2655906), (11, 1931568), (12, 1770604), (16, 1327953), (22, 965784), (24, 885302), (33, 643856), (44, 482892), (48, 442651), (66, 321928), (88, 241446), (132, 160964), (176, 120723), (264, 80482), (528, 40241)]