21429837

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16651}}^1$

素因数の和:16681

約数の個数: 24

約数和(自身を含む): 36367968

約数和(自身を除く): 14938131

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16651, 49953, 149859, 183161, 216463, 549483, 649389, 1648449, 1948167, 2381093, 7143279, 21429837]

約数ペア:

[(1, 21429837), (3, 7143279), (9, 2381093), (11, 1948167), (13, 1648449), (33, 649389), (39, 549483), (99, 216463), (117, 183161), (143, 149859), (429, 49953), (1287, 16651)]