21092541

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 9873219

約数列:

[1, 3, 23, 29, 69, 83, 87, 127, 249, 381, 667, 1909, 2001, 2407, 2921, 3683, 5727, 7221, 8763, 10541, 11049, 31623, 55361, 84709, 166083, 242443, 254127, 305689, 727329, 917067, 7030847, 21092541]

約数ペア:

[(1, 21092541), (3, 7030847), (23, 917067), (29, 727329), (69, 305689), (83, 254127), (87, 242443), (127, 166083), (249, 84709), (381, 55361), (667, 31623), (1909, 11049), (2001, 10541), (2407, 8763), (2921, 7221), (3683, 5727)]