21152202968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6560857}}^1$

素因数の和:6560907

約数の個数: 32

約数和(自身を含む): 44088965760

約数和(自身を除く): 22936762792

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6560857, 13121714, 26243428, 52486856, 85291141, 170582282, 203386567, 341164564, 406773134, 682329128, 813546268, 1627092536, 2644025371, 5288050742, 10576101484, 21152202968]

約数ペア:

[(1, 21152202968), (2, 10576101484), (4, 5288050742), (8, 2644025371), (13, 1627092536), (26, 813546268), (31, 682329128), (52, 406773134), (62, 341164564), (104, 203386567), (124, 170582282), (248, 85291141), (403, 52486856), (806, 26243428), (1612, 13121714), (3224, 6560857)]