21175638

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320843}}^1$

素因数の和:320859

約数の個数: 16

約数和(自身を含む): 46201536

約数和(自身を除く): 25025898

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320843, 641686, 962529, 1925058, 3529273, 7058546, 10587819, 21175638]

約数ペア:

[(1, 21175638), (2, 10587819), (3, 7058546), (6, 3529273), (11, 1925058), (22, 962529), (33, 641686), (66, 320843)]