21144424

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 24316376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 769, 982, 1538, 1964, 3076, 3437, 3928, 5383, 6152, 6874, 10766, 13748, 21532, 27496, 43064, 377579, 755158, 1510316, 2643053, 3020632, 5286106, 10572212, 21144424]

約数ペア:

[(1, 21144424), (2, 10572212), (4, 5286106), (7, 3020632), (8, 2643053), (14, 1510316), (28, 755158), (56, 377579), (491, 43064), (769, 27496), (982, 21532), (1538, 13748), (1964, 10766), (3076, 6874), (3437, 6152), (3928, 5383)]