21243684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 62770176

約数和(自身を除く): 41526492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 83, 84, 132, 154, 166, 231, 249, 277, 308, 332, 462, 498, 554, 581, 831, 913, 924, 996, 1108, 1162, 1662, 1743, 1826, 1939, 2324, 2739, 3047, 3324, 3486, 3652, 3878, 5478, 5817, 6094, 6391, 6972, 7756, 9141, 10956, 11634, 12188, 12782, 18282, 19173, 21329, 22991, 23268, 25564, 36564, 38346, 42658, 45982, 63987, 68973, 76692, 85316, 91964, 127974, 137946, 160937, 252901, 255948, 275892, 321874, 482811, 505802, 643748, 758703, 965622, 1011604, 1517406, 1770307, 1931244, 3034812, 3540614, 5310921, 7081228, 10621842, 21243684]

約数ペア:

[(1, 21243684), (2, 10621842), (3, 7081228), (4, 5310921), (6, 3540614), (7, 3034812), (11, 1931244), (12, 1770307), (14, 1517406), (21, 1011604), (22, 965622), (28, 758703), (33, 643748), (42, 505802), (44, 482811), (66, 321874), (77, 275892), (83, 255948), (84, 252901), (132, 160937), (154, 137946), (166, 127974), (231, 91964), (249, 85316), (277, 76692), (308, 68973), (332, 63987), (462, 45982), (498, 42658), (554, 38346), (581, 36564), (831, 25564), (913, 23268), (924, 22991), (996, 21329), (1108, 19173), (1162, 18282), (1662, 12782), (1743, 12188), (1826, 11634), (1939, 10956), (2324, 9141), (2739, 7756), (3047, 6972), (3324, 6391), (3486, 6094), (3652, 5817), (3878, 5478)]