21022419

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 31888080

約数和(自身を除く): 10865661

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1997, 3509, 5991, 10527, 21967, 57913, 65901, 173739, 241637, 637043, 724911, 1911129, 7007473, 21022419]

約数ペア:

[(1, 21022419), (3, 7007473), (11, 1911129), (29, 724911), (33, 637043), (87, 241637), (121, 173739), (319, 65901), (363, 57913), (957, 21967), (1997, 10527), (3509, 5991)]