21095778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 46593792

約数和(自身を除く): 25498014

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3851, 5478, 7702, 11553, 23106, 42361, 84722, 127083, 254166, 319633, 639266, 958899, 1917798, 3515963, 7031926, 10547889, 21095778]

約数ペア:

[(1, 21095778), (2, 10547889), (3, 7031926), (6, 3515963), (11, 1917798), (22, 958899), (33, 639266), (66, 319633), (83, 254166), (166, 127083), (249, 84722), (498, 42361), (913, 23106), (1826, 11553), (2739, 7702), (3851, 5478)]