21212440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23057}}^1$

素因数の和:23091

約数の個数: 32

約数和(自身を含む): 49805280

約数和(自身を除く): 28592840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23057, 46114, 92228, 115285, 184456, 230570, 461140, 530311, 922280, 1060622, 2121244, 2651555, 4242488, 5303110, 10606220, 21212440]

約数ペア:

[(1, 21212440), (2, 10606220), (4, 5303110), (5, 4242488), (8, 2651555), (10, 2121244), (20, 1060622), (23, 922280), (40, 530311), (46, 461140), (92, 230570), (115, 184456), (184, 115285), (230, 92228), (460, 46114), (920, 23057)]