21387084

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4937}}^1$

素因数の和:4982

約数の個数: 36

約数和(自身を含む): 52678584

約数和(自身を除く): 31291500

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 4937, 9874, 14811, 19748, 29622, 59244, 93803, 187606, 281409, 375212, 562818, 1125636, 1782257, 3564514, 5346771, 7129028, 10693542, 21387084]

約数ペア:

[(1, 21387084), (2, 10693542), (3, 7129028), (4, 5346771), (6, 3564514), (12, 1782257), (19, 1125636), (38, 562818), (57, 375212), (76, 281409), (114, 187606), (228, 93803), (361, 59244), (722, 29622), (1083, 19748), (1444, 14811), (2166, 9874), (4332, 4937)]