21947612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14033}}^1$

素因数の和:14077

約数の個数: 24

約数和(自身を含む): 42438816

約数和(自身を除く): 20491204

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 14033, 28066, 56132, 238561, 322759, 477122, 645518, 954244, 1291036, 5486903, 10973806, 21947612]

約数ペア:

[(1, 21947612), (2, 10973806), (4, 5486903), (17, 1291036), (23, 954244), (34, 645518), (46, 477122), (68, 322759), (92, 238561), (391, 56132), (782, 28066), (1564, 14033)]