21455055

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8081}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 37823760

約数和(自身を除く): 16368705

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 8081, 24243, 40405, 72729, 121215, 363645, 476779, 1430337, 2383895, 4291011, 7151685, 21455055]

約数ペア:

[(1, 21455055), (3, 7151685), (5, 4291011), (9, 2383895), (15, 1430337), (45, 476779), (59, 363645), (177, 121215), (295, 72729), (531, 40405), (885, 24243), (2655, 8081)]