21756246

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51071}}^1$

素因数の和:51147

約数の個数: 16

約数和(自身を含む): 44126208

約数和(自身を除く): 22369962

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51071, 102142, 153213, 306426, 3626041, 7252082, 10878123, 21756246]

約数ペア:

[(1, 21756246), (2, 10878123), (3, 7252082), (6, 3626041), (71, 306426), (142, 153213), (213, 102142), (426, 51071)]