21202286

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2237}}^1$

素因数の和:2923

約数の個数: 16

約数和(自身を含む): 36416736

約数和(自身を除く): 15214450

約数列:

[1, 2, 7, 14, 677, 1354, 2237, 4474, 4739, 9478, 15659, 31318, 1514449, 3028898, 10601143, 21202286]

約数ペア:

[(1, 21202286), (2, 10601143), (7, 3028898), (14, 1514449), (677, 31318), (1354, 15659), (2237, 9478), (4474, 4739)]