21478842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15497}}^1$

素因数の和:15523

約数の個数: 48

約数和(自身を含む): 58024512

約数和(自身を除く): 36545670

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15497, 30994, 46491, 92982, 108479, 139473, 170467, 216958, 278946, 325437, 340934, 511401, 650874, 976311, 1022802, 1193269, 1534203, 1952622, 2386538, 3068406, 3579807, 7159614, 10739421, 21478842]

約数ペア:

[(1, 21478842), (2, 10739421), (3, 7159614), (6, 3579807), (7, 3068406), (9, 2386538), (11, 1952622), (14, 1534203), (18, 1193269), (21, 1022802), (22, 976311), (33, 650874), (42, 511401), (63, 340934), (66, 325437), (77, 278946), (99, 216958), (126, 170467), (154, 139473), (198, 108479), (231, 92982), (462, 46491), (693, 30994), (1386, 15497)]