21850458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12689}}^1$

素因数の和:12742

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 29315622

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12689, 25378, 38067, 76134, 88823, 177646, 266469, 520249, 532938, 1040498, 1560747, 3121494, 3641743, 7283486, 10925229, 21850458]

約数ペア:

[(1, 21850458), (2, 10925229), (3, 7283486), (6, 3641743), (7, 3121494), (14, 1560747), (21, 1040498), (41, 532938), (42, 520249), (82, 266469), (123, 177646), (246, 88823), (287, 76134), (574, 38067), (861, 25378), (1722, 12689)]