21605826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2897}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 47573568

約数和(自身を除く): 25967742

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 2897, 3729, 5794, 7458, 8691, 17382, 31867, 63734, 95601, 191202, 327361, 654722, 982083, 1964166, 3600971, 7201942, 10802913, 21605826]

約数ペア:

[(1, 21605826), (2, 10802913), (3, 7201942), (6, 3600971), (11, 1964166), (22, 982083), (33, 654722), (66, 327361), (113, 191202), (226, 95601), (339, 63734), (678, 31867), (1243, 17382), (2486, 8691), (2897, 7458), (3729, 5794)]