21272031

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 34924800

約数和(自身を除く): 13652769

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1069, 1809, 2211, 3207, 6633, 9621, 11759, 19899, 28863, 35277, 71623, 105831, 214869, 317493, 644607, 787853, 1933821, 2363559, 7090677, 21272031]

約数ペア:

[(1, 21272031), (3, 7090677), (9, 2363559), (11, 1933821), (27, 787853), (33, 644607), (67, 317493), (99, 214869), (201, 105831), (297, 71623), (603, 35277), (737, 28863), (1069, 19899), (1809, 11759), (2211, 9621), (3207, 6633)]