21247083

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5503}}^1$

素因数の和:5536

約数の個数: 32

約数和(自身を含む): 36986880

約数和(自身を除く): 15739797

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5503, 16509, 49527, 60533, 71539, 148581, 181599, 214617, 544797, 643851, 786929, 1634391, 1931553, 2360787, 7082361, 21247083]

約数ペア:

[(1, 21247083), (3, 7082361), (9, 2360787), (11, 1931553), (13, 1634391), (27, 786929), (33, 643851), (39, 544797), (99, 214617), (117, 181599), (143, 148581), (297, 71539), (351, 60533), (429, 49527), (1287, 16509), (3861, 5503)]