21000401292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12713}}^1\times {\mathrm{10589}}^1$

素因数の和:23322

約数の個数: 48

約数和(自身を含む): 52779373920

約数和(自身を除く): 31778972628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 10589, 12713, 21178, 25426, 31767, 38139, 42356, 50852, 63534, 76278, 127068, 137657, 152556, 165269, 275314, 330538, 412971, 495807, 550628, 661076, 825942, 991614, 1651884, 1983228, 134617957, 269235914, 403853871, 538471828, 807707742, 1615415484, 1750033441, 3500066882, 5250100323, 7000133764, 10500200646, 21000401292]

約数ペア:

[(1, 21000401292), (2, 10500200646), (3, 7000133764), (4, 5250100323), (6, 3500066882), (12, 1750033441), (13, 1615415484), (26, 807707742), (39, 538471828), (52, 403853871), (78, 269235914), (156, 134617957), (10589, 1983228), (12713, 1651884), (21178, 991614), (25426, 825942), (31767, 661076), (38139, 550628), (42356, 495807), (50852, 412971), (63534, 330538), (76278, 275314), (127068, 165269), (137657, 152556)]