21521905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6037}}^1$

素因数の和:6096

約数の個数: 16

約数和(自身を含む): 27823104

約数和(自身を除く): 6301199

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 6037, 30185, 138851, 187147, 694255, 935735, 4304381, 21521905]

約数ペア:

[(1, 21521905), (5, 4304381), (23, 935735), (31, 694255), (115, 187147), (155, 138851), (713, 30185), (3565, 6037)]