21892440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 66036960

約数和(自身を除く): 44144520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 757, 964, 1205, 1446, 1514, 1928, 2271, 2410, 2892, 3028, 3615, 3785, 4542, 4820, 5784, 6056, 7230, 7570, 9084, 9640, 11355, 14460, 15140, 18168, 22710, 28920, 30280, 45420, 90840, 182437, 364874, 547311, 729748, 912185, 1094622, 1459496, 1824370, 2189244, 2736555, 3648740, 4378488, 5473110, 7297480, 10946220, 21892440]

約数ペア:

[(1, 21892440), (2, 10946220), (3, 7297480), (4, 5473110), (5, 4378488), (6, 3648740), (8, 2736555), (10, 2189244), (12, 1824370), (15, 1459496), (20, 1094622), (24, 912185), (30, 729748), (40, 547311), (60, 364874), (120, 182437), (241, 90840), (482, 45420), (723, 30280), (757, 28920), (964, 22710), (1205, 18168), (1446, 15140), (1514, 14460), (1928, 11355), (2271, 9640), (2410, 9084), (2892, 7570), (3028, 7230), (3615, 6056), (3785, 5784), (4542, 4820)]