21829790

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3343}}^1$

素因数の和:4003

約数の個数: 16

約数和(自身を含む): 39365568

約数和(自身を除く): 17535778

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 3343, 6530, 6686, 16715, 33430, 2182979, 4365958, 10914895, 21829790]

約数ペア:

[(1, 21829790), (2, 10914895), (5, 4365958), (10, 2182979), (653, 33430), (1306, 16715), (3265, 6686), (3343, 6530)]