21290367076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2897437}}^1$

素因数の和:2897619

約数の個数: 24

約数和(自身を含む): 40888645056

約数和(自身を除く): 19598277980

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 3674, 7348, 2897437, 5794874, 11589748, 31871807, 63743614, 127487228, 483871979, 967743958, 1935487916, 5322591769, 10645183538, 21290367076]

約数ペア:

[(1, 21290367076), (2, 10645183538), (4, 5322591769), (11, 1935487916), (22, 967743958), (44, 483871979), (167, 127487228), (334, 63743614), (668, 31871807), (1837, 11589748), (3674, 5794874), (7348, 2897437)]