21273648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 61412736

約数和(自身を除く): 40139088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 86, 88, 129, 132, 172, 176, 258, 264, 344, 473, 516, 528, 688, 937, 946, 1032, 1419, 1874, 1892, 2064, 2811, 2838, 3748, 3784, 5622, 5676, 7496, 7568, 10307, 11244, 11352, 14992, 20614, 22488, 22704, 30921, 40291, 41228, 44976, 61842, 80582, 82456, 120873, 123684, 161164, 164912, 241746, 247368, 322328, 443201, 483492, 494736, 644656, 886402, 966984, 1329603, 1772804, 1933968, 2659206, 3545608, 5318412, 7091216, 10636824, 21273648]

約数ペア:

[(1, 21273648), (2, 10636824), (3, 7091216), (4, 5318412), (6, 3545608), (8, 2659206), (11, 1933968), (12, 1772804), (16, 1329603), (22, 966984), (24, 886402), (33, 644656), (43, 494736), (44, 483492), (48, 443201), (66, 322328), (86, 247368), (88, 241746), (129, 164912), (132, 161164), (172, 123684), (176, 120873), (258, 82456), (264, 80582), (344, 61842), (473, 44976), (516, 41228), (528, 40291), (688, 30921), (937, 22704), (946, 22488), (1032, 20614), (1419, 14992), (1874, 11352), (1892, 11244), (2064, 10307), (2811, 7568), (2838, 7496), (3748, 5676), (3784, 5622)]