21547386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 56504448

約数和(自身を除く): 34957062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 43, 63, 82, 86, 97, 123, 126, 129, 194, 246, 258, 287, 291, 301, 369, 387, 574, 582, 602, 679, 738, 774, 861, 873, 903, 1358, 1722, 1746, 1763, 1806, 2037, 2583, 2709, 3526, 3977, 4074, 4171, 5166, 5289, 5418, 6111, 7954, 8342, 10578, 11931, 12222, 12341, 12513, 15867, 23862, 24682, 25026, 27839, 29197, 31734, 35793, 37023, 37539, 55678, 58394, 71586, 74046, 75078, 83517, 87591, 111069, 167034, 171011, 175182, 222138, 250551, 262773, 342022, 501102, 513033, 525546, 1026066, 1197077, 1539099, 2394154, 3078198, 3591231, 7182462, 10773693, 21547386]

約数ペア:

[(1, 21547386), (2, 10773693), (3, 7182462), (6, 3591231), (7, 3078198), (9, 2394154), (14, 1539099), (18, 1197077), (21, 1026066), (41, 525546), (42, 513033), (43, 501102), (63, 342022), (82, 262773), (86, 250551), (97, 222138), (123, 175182), (126, 171011), (129, 167034), (194, 111069), (246, 87591), (258, 83517), (287, 75078), (291, 74046), (301, 71586), (369, 58394), (387, 55678), (574, 37539), (582, 37023), (602, 35793), (679, 31734), (738, 29197), (774, 27839), (861, 25026), (873, 24682), (903, 23862), (1358, 15867), (1722, 12513), (1746, 12341), (1763, 12222), (1806, 11931), (2037, 10578), (2583, 8342), (2709, 7954), (3526, 6111), (3977, 5418), (4074, 5289), (4171, 5166)]