21060732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 63995904

約数和(自身を除く): 42935172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 132, 138, 154, 161, 231, 253, 276, 308, 322, 462, 483, 506, 644, 759, 924, 966, 991, 1012, 1518, 1771, 1932, 1982, 2973, 3036, 3542, 3964, 5313, 5946, 6937, 7084, 10626, 10901, 11892, 13874, 20811, 21252, 21802, 22793, 27748, 32703, 41622, 43604, 45586, 65406, 68379, 76307, 83244, 91172, 130812, 136758, 152614, 159551, 228921, 250723, 273516, 305228, 319102, 457842, 478653, 501446, 638204, 752169, 915684, 957306, 1002892, 1504338, 1755061, 1914612, 3008676, 3510122, 5265183, 7020244, 10530366, 21060732]

約数ペア:

[(1, 21060732), (2, 10530366), (3, 7020244), (4, 5265183), (6, 3510122), (7, 3008676), (11, 1914612), (12, 1755061), (14, 1504338), (21, 1002892), (22, 957306), (23, 915684), (28, 752169), (33, 638204), (42, 501446), (44, 478653), (46, 457842), (66, 319102), (69, 305228), (77, 273516), (84, 250723), (92, 228921), (132, 159551), (138, 152614), (154, 136758), (161, 130812), (231, 91172), (253, 83244), (276, 76307), (308, 68379), (322, 65406), (462, 45586), (483, 43604), (506, 41622), (644, 32703), (759, 27748), (924, 22793), (966, 21802), (991, 21252), (1012, 20811), (1518, 13874), (1771, 11892), (1932, 10901), (1982, 10626), (2973, 7084), (3036, 6937), (3542, 5946), (3964, 5313)]