21250218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7853}}^1$

素因数の和:7910

約数の個数: 32

約数和(自身を含む): 47500992

約数和(自身を除く): 26250774

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7853, 15706, 23559, 47118, 86383, 172766, 259149, 321973, 518298, 643946, 965919, 1931838, 3541703, 7083406, 10625109, 21250218]

約数ペア:

[(1, 21250218), (2, 10625109), (3, 7083406), (6, 3541703), (11, 1931838), (22, 965919), (33, 643946), (41, 518298), (66, 321973), (82, 259149), (123, 172766), (246, 86383), (451, 47118), (902, 23559), (1353, 15706), (2706, 7853)]