21295098

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 50779872

約数和(自身を除く): 29484774

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 131, 198, 262, 393, 786, 821, 1179, 1441, 1642, 2358, 2463, 2882, 4323, 4926, 7389, 8646, 9031, 12969, 14778, 18062, 25938, 27093, 54186, 81279, 107551, 162558, 215102, 322653, 645306, 967959, 1183061, 1935918, 2366122, 3549183, 7098366, 10647549, 21295098]

約数ペア:

[(1, 21295098), (2, 10647549), (3, 7098366), (6, 3549183), (9, 2366122), (11, 1935918), (18, 1183061), (22, 967959), (33, 645306), (66, 322653), (99, 215102), (131, 162558), (198, 107551), (262, 81279), (393, 54186), (786, 27093), (821, 25938), (1179, 18062), (1441, 14778), (1642, 12969), (2358, 9031), (2463, 8646), (2882, 7389), (4323, 4926)]