21910004

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 39251520

約数和(自身を除く): 17341516

約数列:

[1, 2, 4, 59, 118, 236, 263, 353, 526, 706, 1052, 1412, 15517, 20827, 31034, 41654, 62068, 83308, 92839, 185678, 371356, 5477501, 10955002, 21910004]

約数ペア:

[(1, 21910004), (2, 10955002), (4, 5477501), (59, 371356), (118, 185678), (236, 92839), (263, 83308), (353, 62068), (526, 41654), (706, 31034), (1052, 20827), (1412, 15517)]