21452775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9227}}^1$

素因数の和:9271

約数の個数: 24

約数和(自身を含む): 36616704

約数和(自身を除く): 15163929

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9227, 27681, 46135, 138405, 230675, 286037, 692025, 858111, 1430185, 4290555, 7150925, 21452775]

約数ペア:

[(1, 21452775), (3, 7150925), (5, 4290555), (15, 1430185), (25, 858111), (31, 692025), (75, 286037), (93, 230675), (155, 138405), (465, 46135), (775, 27681), (2325, 9227)]