21918530

素因数分解:

$2^1\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1901}}^1$

素因数の和:3061

約数の個数: 16

約数和(自身を含む): 39508344

約数和(自身を除く): 17589814

約数列:

[1, 2, 5, 10, 1153, 1901, 2306, 3802, 5765, 9505, 11530, 19010, 2191853, 4383706, 10959265, 21918530]

約数ペア:

[(1, 21918530), (2, 10959265), (5, 4383706), (10, 2191853), (1153, 19010), (1901, 11530), (2306, 9505), (3802, 5765)]