21833960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8147}}^1$

素因数の和:8225

約数の個数: 32

約数和(自身を含む): 49865760

約数和(自身を除く): 28031800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 8147, 16294, 32588, 40735, 65176, 81470, 162940, 325880, 545849, 1091698, 2183396, 2729245, 4366792, 5458490, 10916980, 21833960]

約数ペア:

[(1, 21833960), (2, 10916980), (4, 5458490), (5, 4366792), (8, 2729245), (10, 2183396), (20, 1091698), (40, 545849), (67, 325880), (134, 162940), (268, 81470), (335, 65176), (536, 40735), (670, 32588), (1340, 16294), (2680, 8147)]