21025732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 46287360

約数和(自身を除く): 25261628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 329, 364, 611, 658, 1222, 1229, 1316, 2444, 2458, 4277, 4916, 8554, 8603, 15977, 17108, 17206, 31954, 34412, 57763, 63908, 111839, 115526, 223678, 231052, 404341, 447356, 750919, 808682, 1501838, 1617364, 3003676, 5256433, 10512866, 21025732]

約数ペア:

[(1, 21025732), (2, 10512866), (4, 5256433), (7, 3003676), (13, 1617364), (14, 1501838), (26, 808682), (28, 750919), (47, 447356), (52, 404341), (91, 231052), (94, 223678), (182, 115526), (188, 111839), (329, 63908), (364, 57763), (611, 34412), (658, 31954), (1222, 17206), (1229, 17108), (1316, 15977), (2444, 8603), (2458, 8554), (4277, 4916)]