21590322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8929}}^1$

素因数の和:8978

約数の個数: 32

約数和(自身を含む): 48007680

約数和(自身を除く): 26417358

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8929, 17858, 26787, 53574, 116077, 232154, 276799, 348231, 553598, 696462, 830397, 1660794, 3598387, 7196774, 10795161, 21590322]

約数ペア:

[(1, 21590322), (2, 10795161), (3, 7196774), (6, 3598387), (13, 1660794), (26, 830397), (31, 696462), (39, 553598), (62, 348231), (78, 276799), (93, 232154), (186, 116077), (403, 53574), (806, 26787), (1209, 17858), (2418, 8929)]