21315426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2543}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 46891008

約数和(自身を除く): 25575582

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 127, 254, 381, 762, 1397, 2543, 2794, 4191, 5086, 7629, 8382, 15258, 27973, 55946, 83919, 167838, 322961, 645922, 968883, 1937766, 3552571, 7105142, 10657713, 21315426]

約数ペア:

[(1, 21315426), (2, 10657713), (3, 7105142), (6, 3552571), (11, 1937766), (22, 968883), (33, 645922), (66, 322961), (127, 167838), (254, 83919), (381, 55946), (762, 27973), (1397, 15258), (2543, 8382), (2794, 7629), (4191, 5086)]