21080376

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{2591}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 36539784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 226, 339, 452, 678, 904, 1017, 1356, 2034, 2591, 2712, 4068, 5182, 7773, 8136, 10364, 15546, 20728, 23319, 31092, 46638, 62184, 93276, 186552, 292783, 585566, 878349, 1171132, 1756698, 2342264, 2635047, 3513396, 5270094, 7026792, 10540188, 21080376]

約数ペア:

[(1, 21080376), (2, 10540188), (3, 7026792), (4, 5270094), (6, 3513396), (8, 2635047), (9, 2342264), (12, 1756698), (18, 1171132), (24, 878349), (36, 585566), (72, 292783), (113, 186552), (226, 93276), (339, 62184), (452, 46638), (678, 31092), (904, 23319), (1017, 20728), (1356, 15546), (2034, 10364), (2591, 8136), (2712, 7773), (4068, 5182)]