21378192

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 80

約数和(自身を含む): 63448320

約数和(自身を除く): 42070128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2131, 2508, 3344, 4262, 5016, 6393, 8524, 10032, 12786, 17048, 23441, 25572, 34096, 40489, 46882, 51144, 70323, 80978, 93764, 102288, 121467, 140646, 161956, 187528, 242934, 281292, 323912, 375056, 445379, 485868, 562584, 647824, 890758, 971736, 1125168, 1336137, 1781516, 1943472, 2672274, 3563032, 5344548, 7126064, 10689096, 21378192]

約数ペア:

[(1, 21378192), (2, 10689096), (3, 7126064), (4, 5344548), (6, 3563032), (8, 2672274), (11, 1943472), (12, 1781516), (16, 1336137), (19, 1125168), (22, 971736), (24, 890758), (33, 647824), (38, 562584), (44, 485868), (48, 445379), (57, 375056), (66, 323912), (76, 281292), (88, 242934), (114, 187528), (132, 161956), (152, 140646), (176, 121467), (209, 102288), (228, 93764), (264, 80978), (304, 70323), (418, 51144), (456, 46882), (528, 40489), (627, 34096), (836, 25572), (912, 23441), (1254, 17048), (1672, 12786), (2131, 10032), (2508, 8524), (3344, 6393), (4262, 5016)]