21886491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1303}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 31921920

約数和(自身を除く): 10035429

約数列:

[1, 3, 11, 33, 509, 1303, 1527, 3909, 5599, 14333, 16797, 42999, 663227, 1989681, 7295497, 21886491]

約数ペア:

[(1, 21886491), (3, 7295497), (11, 1989681), (33, 663227), (509, 42999), (1303, 16797), (1527, 14333), (3909, 5599)]