21053472

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19937}}^1$

素因数の和:19961

約数の個数: 48

約数和(自身を含む): 60292512

約数和(自身を除く): 39239040

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19937, 39874, 59811, 79748, 119622, 159496, 219307, 239244, 318992, 438614, 478488, 637984, 657921, 877228, 956976, 1315842, 1754456, 1913952, 2631684, 3508912, 5263368, 7017824, 10526736, 21053472]

約数ペア:

[(1, 21053472), (2, 10526736), (3, 7017824), (4, 5263368), (6, 3508912), (8, 2631684), (11, 1913952), (12, 1754456), (16, 1315842), (22, 956976), (24, 877228), (32, 657921), (33, 637984), (44, 478488), (48, 438614), (66, 318992), (88, 239244), (96, 219307), (132, 159496), (176, 119622), (264, 79748), (352, 59811), (528, 39874), (1056, 19937)]