21134421

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30497}}^1$

素因数の和:30521

約数の個数: 24

約数和(自身を含む): 38061504

約数和(自身を除く): 16927083

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30497, 91491, 213479, 274473, 335467, 640437, 1006401, 1921311, 2348269, 3019203, 7044807, 21134421]

約数ペア:

[(1, 21134421), (3, 7044807), (7, 3019203), (9, 2348269), (11, 1921311), (21, 1006401), (33, 640437), (63, 335467), (77, 274473), (99, 213479), (231, 91491), (693, 30497)]