21304762

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2351}}^1$

素因数の和:2573

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12225350

約数列:

[1, 2, 23, 46, 197, 394, 2351, 4531, 4702, 9062, 54073, 108146, 463147, 926294, 10652381, 21304762]

約数ペア:

[(1, 21304762), (2, 10652381), (23, 926294), (46, 463147), (197, 108146), (394, 54073), (2351, 9062), (4531, 4702)]