21848281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 7665959

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 487, 493, 1547, 2639, 3409, 3451, 6331, 6409, 8279, 14123, 44317, 44863, 57953, 98861, 107627, 183599, 240091, 753389, 1285193, 1680637, 3121183, 21848281]

約数ペア:

[(1, 21848281), (7, 3121183), (13, 1680637), (17, 1285193), (29, 753389), (91, 240091), (119, 183599), (203, 107627), (221, 98861), (377, 57953), (487, 44863), (493, 44317), (1547, 14123), (2639, 8279), (3409, 6409), (3451, 6331)]