21026474

素因数分解:

$2^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1471}}^1$

素因数の和:2501

約数の個数: 16

約数和(自身を含む): 36105216

約数和(自身を除く): 15078742

約数列:

[1, 2, 7, 14, 1021, 1471, 2042, 2942, 7147, 10297, 14294, 20594, 1501891, 3003782, 10513237, 21026474]

約数ペア:

[(1, 21026474), (2, 10513237), (7, 3003782), (14, 1501891), (1021, 20594), (1471, 14294), (2042, 10297), (2942, 7147)]