21181482

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7309}}^1$

素因数の和:7347

約数の個数: 48

約数和(自身を含む): 54737280

約数和(自身を除く): 33555798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7309, 14618, 21927, 43854, 51163, 65781, 102326, 131562, 153489, 168107, 306978, 336214, 460467, 504321, 920934, 1008642, 1176749, 1512963, 2353498, 3025926, 3530247, 7060494, 10590741, 21181482]

約数ペア:

[(1, 21181482), (2, 10590741), (3, 7060494), (6, 3530247), (7, 3025926), (9, 2353498), (14, 1512963), (18, 1176749), (21, 1008642), (23, 920934), (42, 504321), (46, 460467), (63, 336214), (69, 306978), (126, 168107), (138, 153489), (161, 131562), (207, 102326), (322, 65781), (414, 51163), (483, 43854), (966, 21927), (1449, 14618), (2898, 7309)]