21806148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 96

約数和(自身を含む): 65981440

約数和(自身を除く): 44175292

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1051, 1092, 1482, 1596, 1729, 2102, 2964, 3153, 3458, 4204, 5187, 6306, 6916, 7357, 10374, 12612, 13663, 14714, 19969, 20748, 22071, 27326, 29428, 39938, 40989, 44142, 54652, 59907, 79876, 81978, 88284, 95641, 119814, 139783, 163956, 191282, 239628, 259597, 279566, 286923, 382564, 419349, 519194, 559132, 573846, 778791, 838698, 1038388, 1147692, 1557582, 1677396, 1817179, 3115164, 3634358, 5451537, 7268716, 10903074, 21806148]

約数ペア:

[(1, 21806148), (2, 10903074), (3, 7268716), (4, 5451537), (6, 3634358), (7, 3115164), (12, 1817179), (13, 1677396), (14, 1557582), (19, 1147692), (21, 1038388), (26, 838698), (28, 778791), (38, 573846), (39, 559132), (42, 519194), (52, 419349), (57, 382564), (76, 286923), (78, 279566), (84, 259597), (91, 239628), (114, 191282), (133, 163956), (156, 139783), (182, 119814), (228, 95641), (247, 88284), (266, 81978), (273, 79876), (364, 59907), (399, 54652), (494, 44142), (532, 40989), (546, 39938), (741, 29428), (798, 27326), (988, 22071), (1051, 20748), (1092, 19969), (1482, 14714), (1596, 13663), (1729, 12612), (2102, 10374), (2964, 7357), (3153, 6916), (3458, 6306), (4204, 5187)]