21021418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56207}}^1$

素因数の和:56237

約数の個数: 16

約数和(自身を含む): 36422784

約数和(自身を除く): 15401366

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56207, 112414, 618277, 955519, 1236554, 1911038, 10510709, 21021418]

約数ペア:

[(1, 21021418), (2, 10510709), (11, 1911038), (17, 1236554), (22, 955519), (34, 618277), (187, 112414), (374, 56207)]