21669956

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:94

約数の個数: 108

約数和(自身を含む): 52955280

約数和(自身を除く): 31285324

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 23, 28, 38, 44, 46, 49, 76, 77, 92, 98, 133, 154, 161, 196, 209, 253, 266, 308, 322, 418, 437, 506, 529, 532, 539, 644, 836, 874, 931, 1012, 1058, 1078, 1127, 1463, 1748, 1771, 1862, 2116, 2156, 2254, 2926, 3059, 3542, 3703, 3724, 4508, 4807, 5819, 5852, 6118, 7084, 7406, 9614, 10051, 10241, 11638, 12236, 12397, 14812, 19228, 20102, 20482, 21413, 23276, 24794, 25921, 33649, 40204, 40733, 40964, 42826, 49588, 51842, 67298, 70357, 81466, 85652, 103684, 110561, 134596, 140714, 162932, 221122, 235543, 281428, 285131, 442244, 471086, 492499, 570262, 773927, 942172, 984998, 1140524, 1547854, 1969996, 3095708, 5417489, 10834978, 21669956]

約数ペア:

[(1, 21669956), (2, 10834978), (4, 5417489), (7, 3095708), (11, 1969996), (14, 1547854), (19, 1140524), (22, 984998), (23, 942172), (28, 773927), (38, 570262), (44, 492499), (46, 471086), (49, 442244), (76, 285131), (77, 281428), (92, 235543), (98, 221122), (133, 162932), (154, 140714), (161, 134596), (196, 110561), (209, 103684), (253, 85652), (266, 81466), (308, 70357), (322, 67298), (418, 51842), (437, 49588), (506, 42826), (529, 40964), (532, 40733), (539, 40204), (644, 33649), (836, 25921), (874, 24794), (931, 23276), (1012, 21413), (1058, 20482), (1078, 20102), (1127, 19228), (1463, 14812), (1748, 12397), (1771, 12236), (1862, 11638), (2116, 10241), (2156, 10051), (2254, 9614), (2926, 7406), (3059, 7084), (3542, 6118), (3703, 5852), (3724, 5819), (4508, 4807)]