21937004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8719}}^1$

素因数の和:8777

約数の個数: 24

約数和(自身を含む): 41751360

約数和(自身を除く): 19814356

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8719, 17438, 34876, 148223, 296446, 322603, 592892, 645206, 1290412, 5484251, 10968502, 21937004]

約数ペア:

[(1, 21937004), (2, 10968502), (4, 5484251), (17, 1290412), (34, 645206), (37, 592892), (68, 322603), (74, 296446), (148, 148223), (629, 34876), (1258, 17438), (2516, 8719)]