21856494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331159}}^1$

素因数の和:331175

約数の個数: 16

約数和(自身を含む): 47687040

約数和(自身を除く): 25830546

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331159, 662318, 993477, 1986954, 3642749, 7285498, 10928247, 21856494]

約数ペア:

[(1, 21856494), (2, 10928247), (3, 7285498), (6, 3642749), (11, 1986954), (22, 993477), (33, 662318), (66, 331159)]