21382218

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 57394656

約数和(自身を除く): 36012438

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 71, 78, 81, 99, 117, 142, 143, 162, 169, 198, 213, 234, 286, 297, 338, 351, 426, 429, 507, 594, 639, 702, 781, 858, 891, 923, 1014, 1053, 1278, 1287, 1521, 1562, 1782, 1846, 1859, 1917, 2106, 2343, 2574, 2769, 3042, 3718, 3834, 3861, 4563, 4686, 5538, 5577, 5751, 7029, 7722, 8307, 9126, 10153, 11154, 11502, 11583, 11999, 13689, 14058, 16614, 16731, 20306, 21087, 23166, 23998, 24921, 27378, 30459, 33462, 35997, 42174, 49842, 50193, 60918, 63261, 71994, 74763, 91377, 100386, 107991, 126522, 131989, 149526, 150579, 182754, 215982, 263978, 274131, 301158, 323973, 395967, 548262, 647946, 791934, 822393, 971919, 1187901, 1644786, 1943838, 2375802, 3563703, 7127406, 10691109, 21382218]

約数ペア:

[(1, 21382218), (2, 10691109), (3, 7127406), (6, 3563703), (9, 2375802), (11, 1943838), (13, 1644786), (18, 1187901), (22, 971919), (26, 822393), (27, 791934), (33, 647946), (39, 548262), (54, 395967), (66, 323973), (71, 301158), (78, 274131), (81, 263978), (99, 215982), (117, 182754), (142, 150579), (143, 149526), (162, 131989), (169, 126522), (198, 107991), (213, 100386), (234, 91377), (286, 74763), (297, 71994), (338, 63261), (351, 60918), (426, 50193), (429, 49842), (507, 42174), (594, 35997), (639, 33462), (702, 30459), (781, 27378), (858, 24921), (891, 23998), (923, 23166), (1014, 21087), (1053, 20306), (1278, 16731), (1287, 16614), (1521, 14058), (1562, 13689), (1782, 11999), (1846, 11583), (1859, 11502), (1917, 11154), (2106, 10153), (2343, 9126), (2574, 8307), (2769, 7722), (3042, 7029), (3718, 5751), (3834, 5577), (3861, 5538), (4563, 4686)]