21122794

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7258

約数の個数: 32

約数和(自身を含む): 41587200

約数和(自身を除く): 20464406

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7219, 14438, 50533, 79409, 101066, 137161, 158818, 274322, 555863, 960127, 1111726, 1508771, 1920254, 3017542, 10561397, 21122794]

約数ペア:

[(1, 21122794), (2, 10561397), (7, 3017542), (11, 1920254), (14, 1508771), (19, 1111726), (22, 960127), (38, 555863), (77, 274322), (133, 158818), (154, 137161), (209, 101066), (266, 79409), (418, 50533), (1463, 14438), (2926, 7219)]