21402546

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3907}}^1$

素因数の和:4006

約数の個数: 32

約数和(自身を含む): 47271168

約数和(自身を除く): 25868622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3907, 5478, 7814, 11721, 23442, 42977, 85954, 128931, 257862, 324281, 648562, 972843, 1945686, 3567091, 7134182, 10701273, 21402546]

約数ペア:

[(1, 21402546), (2, 10701273), (3, 7134182), (6, 3567091), (11, 1945686), (22, 972843), (33, 648562), (66, 324281), (83, 257862), (166, 128931), (249, 85954), (498, 42977), (913, 23442), (1826, 11721), (2739, 7814), (3907, 5478)]