21131268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{92681}}^1$

素因数の和:92707

約数の個数: 24

約数和(自身を含む): 51901920

約数和(自身を除く): 30770652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 92681, 185362, 278043, 370724, 556086, 1112172, 1760939, 3521878, 5282817, 7043756, 10565634, 21131268]

約数ペア:

[(1, 21131268), (2, 10565634), (3, 7043756), (4, 5282817), (6, 3521878), (12, 1760939), (19, 1112172), (38, 556086), (57, 370724), (76, 278043), (114, 185362), (228, 92681)]