21960808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144479}}^1$

素因数の和:144504

約数の個数: 16

約数和(自身を含む): 43344000

約数和(自身を除く): 21383192

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144479, 288958, 577916, 1155832, 2745101, 5490202, 10980404, 21960808]

約数ペア:

[(1, 21960808), (2, 10980404), (4, 5490202), (8, 2745101), (19, 1155832), (38, 577916), (76, 288958), (152, 144479)]