21032415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15077}}^1$

素因数の和:15119

約数の個数: 24

約数和(自身を含む): 37634688

約数和(自身を除く): 16602273

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 15077, 45231, 75385, 135693, 226155, 467387, 678465, 1402161, 2336935, 4206483, 7010805, 21032415]

約数ペア:

[(1, 21032415), (3, 7010805), (5, 4206483), (9, 2336935), (15, 1402161), (31, 678465), (45, 467387), (93, 226155), (155, 135693), (279, 75385), (465, 45231), (1395, 15077)]