21382318

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2203}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 33641856

約数和(自身を除く): 12259538

約数列:

[1, 2, 23, 46, 211, 422, 2203, 4406, 4853, 9706, 50669, 101338, 464833, 929666, 10691159, 21382318]

約数ペア:

[(1, 21382318), (2, 10691159), (23, 929666), (46, 464833), (211, 101338), (422, 50669), (2203, 9706), (4406, 4853)]