21685624

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2351}}^1$

素因数の和:3510

約数の個数: 16

約数和(自身を含む): 40713120

約数和(自身を除く): 19027496

約数列:

[1, 2, 4, 8, 1153, 2306, 2351, 4612, 4702, 9224, 9404, 18808, 2710703, 5421406, 10842812, 21685624]

約数ペア:

[(1, 21685624), (2, 10842812), (4, 5421406), (8, 2710703), (1153, 18808), (2306, 9404), (2351, 9224), (4612, 4702)]