21099165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2659}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 35303520

約数和(自身を除く): 14204355

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 2659, 7935, 7977, 13295, 39885, 61157, 183471, 305785, 917355, 1406611, 4219833, 7033055, 21099165]

約数ペア:

[(1, 21099165), (3, 7033055), (5, 4219833), (15, 1406611), (23, 917355), (69, 305785), (115, 183471), (345, 61157), (529, 39885), (1587, 13295), (2645, 7977), (2659, 7935)]