21002643

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 31714800

約数和(自身を除く): 10712157

約数列:

[1, 3, 9, 37, 59, 111, 177, 333, 531, 1069, 2183, 3207, 6549, 9621, 19647, 39553, 63071, 118659, 189213, 355977, 567639, 2333627, 7000881, 21002643]

約数ペア:

[(1, 21002643), (3, 7000881), (9, 2333627), (37, 567639), (59, 355977), (111, 189213), (177, 118659), (333, 63071), (531, 39553), (1069, 19647), (2183, 9621), (3207, 6549)]