21934759

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 8708441

約数列:

[1, 7, 11, 19, 29, 47, 77, 121, 133, 203, 209, 319, 329, 517, 551, 847, 893, 1363, 1463, 2233, 2299, 3509, 3619, 3857, 5687, 6061, 6251, 9541, 9823, 14993, 16093, 24563, 25897, 39809, 42427, 66671, 68761, 104951, 108053, 164923, 181279, 284867, 466697, 756371, 1154461, 1994069, 3133537, 21934759]

約数ペア:

[(1, 21934759), (7, 3133537), (11, 1994069), (19, 1154461), (29, 756371), (47, 466697), (77, 284867), (121, 181279), (133, 164923), (203, 108053), (209, 104951), (319, 68761), (329, 66671), (517, 42427), (551, 39809), (847, 25897), (893, 24563), (1363, 16093), (1463, 14993), (2233, 9823), (2299, 9541), (3509, 6251), (3619, 6061), (3857, 5687)]