21204873

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 11143287

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1151, 2047, 3453, 6141, 10359, 18423, 26473, 79419, 102439, 238257, 307317, 921951, 2356097, 7068291, 21204873]

約数ペア:

[(1, 21204873), (3, 7068291), (9, 2356097), (23, 921951), (69, 307317), (89, 238257), (207, 102439), (267, 79419), (801, 26473), (1151, 18423), (2047, 10359), (3453, 6141)]