21106578

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{9431}}^1$

素因数の和:9809

約数の個数: 16

約数和(自身を含む): 42330816

約数和(自身を除く): 21224238

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 9431, 18862, 28293, 56586, 3517763, 7035526, 10553289, 21106578]

約数ペア:

[(1, 21106578), (2, 10553289), (3, 7035526), (6, 3517763), (373, 56586), (746, 28293), (1119, 18862), (2238, 9431)]