21831998

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 34866216

約数和(自身を除く): 13034218

約数列:

[1, 2, 31, 37, 62, 74, 307, 614, 961, 1147, 1922, 2294, 9517, 11359, 19034, 22718, 35557, 71114, 295027, 352129, 590054, 704258, 10915999, 21831998]

約数ペア:

[(1, 21831998), (2, 10915999), (31, 704258), (37, 590054), (62, 352129), (74, 295027), (307, 71114), (614, 35557), (961, 22718), (1147, 19034), (1922, 11359), (2294, 9517)]