2021164124

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{19441}}^1$

素因数の和:19578

約数の個数: 48

約数和(自身を含む): 4180807680

約数和(自身を除く): 2159643556

約数列:

[1, 2, 4, 7, 14, 28, 47, 79, 94, 158, 188, 316, 329, 553, 658, 1106, 1316, 2212, 3713, 7426, 14852, 19441, 25991, 38882, 51982, 77764, 103964, 136087, 272174, 544348, 913727, 1535839, 1827454, 3071678, 3654908, 6143356, 6396089, 10750873, 12792178, 21501746, 25584356, 43003492, 72184433, 144368866, 288737732, 505291031, 1010582062, 2021164124]

約数ペア:

[(1, 2021164124), (2, 1010582062), (4, 505291031), (7, 288737732), (14, 144368866), (28, 72184433), (47, 43003492), (79, 25584356), (94, 21501746), (158, 12792178), (188, 10750873), (316, 6396089), (329, 6143356), (553, 3654908), (658, 3071678), (1106, 1827454), (1316, 1535839), (2212, 913727), (3713, 544348), (7426, 272174), (14852, 136087), (19441, 103964), (25991, 77764), (38882, 51982)]