21688542

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{10663}}^1$

素因数の和:10784

約数の個数: 24

約数和(自身を含む): 47412144

約数和(自身を除く): 25723602

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 10663, 21326, 31989, 63978, 95967, 191934, 1204919, 2409838, 3614757, 7229514, 10844271, 21688542]

約数ペア:

[(1, 21688542), (2, 10844271), (3, 7229514), (6, 3614757), (9, 2409838), (18, 1204919), (113, 191934), (226, 95967), (339, 63978), (678, 31989), (1017, 21326), (2034, 10663)]