21506342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2593}}^1$

素因数の和:2648

約数の個数: 32

約数和(自身を含む): 39221280

約数和(自身を除く): 17714938

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2593, 4147, 5186, 8294, 28523, 33709, 57046, 67418, 75197, 150394, 370799, 741598, 827167, 977561, 1654334, 1955122, 10753171, 21506342]

約数ペア:

[(1, 21506342), (2, 10753171), (11, 1955122), (13, 1654334), (22, 977561), (26, 827167), (29, 741598), (58, 370799), (143, 150394), (286, 75197), (319, 67418), (377, 57046), (638, 33709), (754, 28523), (2593, 8294), (4147, 5186)]