21149946

素因数分解:

$2^1\times 3^2\times {\mathrm{659}}^1\times {\mathrm{1783}}^1$

素因数の和:2450

約数の個数: 24

約数和(自身を含む): 45920160

約数和(自身を除く): 24770214

約数列:

[1, 2, 3, 6, 9, 18, 659, 1318, 1783, 1977, 3566, 3954, 5349, 5931, 10698, 11862, 16047, 32094, 1174997, 2349994, 3524991, 7049982, 10574973, 21149946]

約数ペア:

[(1, 21149946), (2, 10574973), (3, 7049982), (6, 3524991), (9, 2349994), (18, 1174997), (659, 32094), (1318, 16047), (1783, 11862), (1977, 10698), (3566, 5931), (3954, 5349)]