21260377369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{58411}}^1$

素因数の和:58621

約数の個数: 32

約数和(自身を含む): 27589155840

約数和(自身を除く): 6328778471

約数列:

[1, 7, 11, 29, 77, 163, 203, 319, 1141, 1793, 2233, 4727, 12551, 33089, 51997, 58411, 363979, 408877, 642521, 1693919, 4497647, 9520993, 11857433, 18633109, 66646951, 104730923, 130431763, 276108797, 733116461, 1932761579, 3037196767, 21260377369]

約数ペア:

[(1, 21260377369), (7, 3037196767), (11, 1932761579), (29, 733116461), (77, 276108797), (163, 130431763), (203, 104730923), (319, 66646951), (1141, 18633109), (1793, 11857433), (2233, 9520993), (4727, 4497647), (12551, 1693919), (33089, 642521), (51997, 408877), (58411, 363979)]