21744909

素因数分解:

$3^3\times {\mathrm{461}}^1\times {\mathrm{1747}}^1$

素因数の和:2217

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 10558131

約数列:

[1, 3, 9, 27, 461, 1383, 1747, 4149, 5241, 12447, 15723, 47169, 805367, 2416101, 7248303, 21744909]

約数ペア:

[(1, 21744909), (3, 7248303), (9, 2416101), (27, 805367), (461, 47169), (1383, 15723), (1747, 12447), (4149, 5241)]