21956984

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10597}}^1$

素因数の和:10647

約数の個数: 32

約数和(自身を含む): 48326880

約数和(自身を除く): 26369896

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10597, 21194, 42388, 74179, 84776, 148358, 296716, 392089, 593432, 784178, 1568356, 2744623, 3136712, 5489246, 10978492, 21956984]

約数ペア:

[(1, 21956984), (2, 10978492), (4, 5489246), (7, 3136712), (8, 2744623), (14, 1568356), (28, 784178), (37, 593432), (56, 392089), (74, 296716), (148, 148358), (259, 84776), (296, 74179), (518, 42388), (1036, 21194), (2072, 10597)]