21136752

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1647

約数の個数: 120

約数和(自身を含む): 72849504

約数和(自身を除く): 51712752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1613, 1638, 1872, 2184, 3226, 3276, 4368, 4839, 6452, 6552, 9678, 11291, 12904, 13104, 14517, 19356, 20969, 22582, 25808, 29034, 33873, 38712, 41938, 45164, 58068, 62907, 67746, 77424, 83876, 90328, 101619, 116136, 125814, 135492, 146783, 167752, 180656, 188721, 203238, 232272, 251628, 270984, 293566, 335504, 377442, 406476, 440349, 503256, 541968, 587132, 754884, 812952, 880698, 1006512, 1174264, 1321047, 1509768, 1625904, 1761396, 2348528, 2642094, 3019536, 3522792, 5284188, 7045584, 10568376, 21136752]

約数ペア:

[(1, 21136752), (2, 10568376), (3, 7045584), (4, 5284188), (6, 3522792), (7, 3019536), (8, 2642094), (9, 2348528), (12, 1761396), (13, 1625904), (14, 1509768), (16, 1321047), (18, 1174264), (21, 1006512), (24, 880698), (26, 812952), (28, 754884), (36, 587132), (39, 541968), (42, 503256), (48, 440349), (52, 406476), (56, 377442), (63, 335504), (72, 293566), (78, 270984), (84, 251628), (91, 232272), (104, 203238), (112, 188721), (117, 180656), (126, 167752), (144, 146783), (156, 135492), (168, 125814), (182, 116136), (208, 101619), (234, 90328), (252, 83876), (273, 77424), (312, 67746), (336, 62907), (364, 58068), (468, 45164), (504, 41938), (546, 38712), (624, 33873), (728, 29034), (819, 25808), (936, 22582), (1008, 20969), (1092, 19356), (1456, 14517), (1613, 13104), (1638, 12904), (1872, 11291), (2184, 9678), (3226, 6552), (3276, 6452), (4368, 4839)]