21966909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1321}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 30712704

約数和(自身を除く): 8745795

約数列:

[1, 3, 23, 69, 241, 723, 1321, 3963, 5543, 16629, 30383, 91149, 318361, 955083, 7322303, 21966909]

約数ペア:

[(1, 21966909), (3, 7322303), (23, 955083), (69, 318361), (241, 91149), (723, 30383), (1321, 16629), (3963, 5543)]