21048566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19593994

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4409, 4774, 8818, 30863, 48499, 61726, 96998, 136679, 273358, 339493, 678986, 956753, 1503469, 1913506, 3006938, 10524283, 21048566]

約数ペア:

[(1, 21048566), (2, 10524283), (7, 3006938), (11, 1913506), (14, 1503469), (22, 956753), (31, 678986), (62, 339493), (77, 273358), (154, 136679), (217, 96998), (341, 61726), (434, 48499), (682, 30863), (2387, 8818), (4409, 4774)]