21385638

素因数分解:

$2^1\times 3^2\times {\mathrm{1087}}^1\times {\mathrm{1093}}^1$

素因数の和:2188

約数の個数: 24

約数和(自身を含む): 46420608

約数和(自身を除く): 25034970

約数列:

[1, 2, 3, 6, 9, 18, 1087, 1093, 2174, 2186, 3261, 3279, 6522, 6558, 9783, 9837, 19566, 19674, 1188091, 2376182, 3564273, 7128546, 10692819, 21385638]

約数ペア:

[(1, 21385638), (2, 10692819), (3, 7128546), (6, 3564273), (9, 2376182), (18, 1188091), (1087, 19674), (1093, 19566), (2174, 9837), (2186, 9783), (3261, 6558), (3279, 6522)]