21483081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1549}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 32884800

約数和(自身を除く): 11401719

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 1549, 4623, 4647, 13869, 13941, 35627, 103783, 106881, 311349, 320643, 934047, 2387009, 7161027, 21483081]

約数ペア:

[(1, 21483081), (3, 7161027), (9, 2387009), (23, 934047), (67, 320643), (69, 311349), (201, 106881), (207, 103783), (603, 35627), (1541, 13941), (1549, 13869), (4623, 4647)]