21510992

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2237}}^1$

素因数の和:2846

約数の個数: 20

約数和(自身を含む): 41765556

約数和(自身を除く): 20254564

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2237, 2404, 4474, 4808, 8948, 9616, 17896, 35792, 1344437, 2688874, 5377748, 10755496, 21510992]

約数ペア:

[(1, 21510992), (2, 10755496), (4, 5377748), (8, 2688874), (16, 1344437), (601, 35792), (1202, 17896), (2237, 9616), (2404, 8948), (4474, 4808)]