21169323

素因数分解:

$3^3\times 7^2\times {\mathrm{16001}}^1$

素因数の和:16024

約数の個数: 24

約数和(自身を含む): 36484560

約数和(自身を除く): 15315237

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16001, 48003, 112007, 144009, 336021, 432027, 784049, 1008063, 2352147, 3024189, 7056441, 21169323]

約数ペア:

[(1, 21169323), (3, 7056441), (7, 3024189), (9, 2352147), (21, 1008063), (27, 784049), (49, 432027), (63, 336021), (147, 144009), (189, 112007), (441, 48003), (1323, 16001)]