21476679

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11491}}^1$

素因数の和:11590

約数の個数: 16

約数和(自身を含む): 33096960

約数和(自身を除く): 11620281

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11491, 34473, 80437, 241311, 1022699, 3068097, 7158893, 21476679]

約数ペア:

[(1, 21476679), (3, 7158893), (7, 3068097), (21, 1022699), (89, 241311), (267, 80437), (623, 34473), (1869, 11491)]