21331272

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3163}}^1$

素因数の和:3453

約数の個数: 32

約数和(自身を含む): 53534880

約数和(自身を除く): 32203608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3163, 3372, 6326, 6744, 9489, 12652, 18978, 25304, 37956, 75912, 888803, 1777606, 2666409, 3555212, 5332818, 7110424, 10665636, 21331272]

約数ペア:

[(1, 21331272), (2, 10665636), (3, 7110424), (4, 5332818), (6, 3555212), (8, 2666409), (12, 1777606), (24, 888803), (281, 75912), (562, 37956), (843, 25304), (1124, 18978), (1686, 12652), (2248, 9489), (3163, 6744), (3372, 6326)]