21211083

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2455

約数の個数: 24

約数和(自身を含む): 32727552

約数和(自身を除く): 11516469

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2383, 2967, 7149, 8901, 21447, 54809, 102469, 164427, 307407, 493281, 922221, 2356787, 7070361, 21211083]

約数ペア:

[(1, 21211083), (3, 7070361), (9, 2356787), (23, 922221), (43, 493281), (69, 307407), (129, 164427), (207, 102469), (387, 54809), (989, 21447), (2383, 8901), (2967, 7149)]