21885165

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8243}}^1$

素因数の和:8313

約数の個数: 24

約数和(自身を含む): 38581920

約数和(自身を除く): 16696755

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 8243, 24729, 41215, 74187, 123645, 370935, 486337, 1459011, 2431685, 4377033, 7295055, 21885165]

約数ペア:

[(1, 21885165), (3, 7295055), (5, 4377033), (9, 2431685), (15, 1459011), (45, 486337), (59, 370935), (177, 123645), (295, 74187), (531, 41215), (885, 24729), (2655, 8243)]