21960078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 31124082

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 127, 138, 161, 179, 254, 322, 358, 381, 483, 537, 762, 889, 966, 1074, 1253, 1778, 2506, 2667, 2921, 3759, 4117, 5334, 5842, 7518, 8234, 8763, 12351, 17526, 20447, 22733, 24702, 28819, 40894, 45466, 57638, 61341, 68199, 86457, 122682, 136398, 159131, 172914, 318262, 477393, 522859, 954786, 1045718, 1568577, 3137154, 3660013, 7320026, 10980039, 21960078]

約数ペア:

[(1, 21960078), (2, 10980039), (3, 7320026), (6, 3660013), (7, 3137154), (14, 1568577), (21, 1045718), (23, 954786), (42, 522859), (46, 477393), (69, 318262), (127, 172914), (138, 159131), (161, 136398), (179, 122682), (254, 86457), (322, 68199), (358, 61341), (381, 57638), (483, 45466), (537, 40894), (762, 28819), (889, 24702), (966, 22733), (1074, 20447), (1253, 17526), (1778, 12351), (2506, 8763), (2667, 8234), (2921, 7518), (3759, 5842), (4117, 5334)]