21274876

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1129}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 42650720

約数和(自身を除く): 21375844

約数列:

[1, 2, 4, 7, 14, 28, 673, 1129, 1346, 2258, 2692, 4516, 4711, 7903, 9422, 15806, 18844, 31612, 759817, 1519634, 3039268, 5318719, 10637438, 21274876]

約数ペア:

[(1, 21274876), (2, 10637438), (4, 5318719), (7, 3039268), (14, 1519634), (28, 759817), (673, 31612), (1129, 18844), (1346, 15806), (2258, 9422), (2692, 7903), (4516, 4711)]