21879004

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4679}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 22150436

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 4679, 9358, 18716, 32753, 65506, 131012, 781393, 1562786, 3125572, 5469751, 10939502, 21879004]

約数ペア:

[(1, 21879004), (2, 10939502), (4, 5469751), (7, 3125572), (14, 1562786), (28, 781393), (167, 131012), (334, 65506), (668, 32753), (1169, 18716), (2338, 9358), (4676, 4679)]