21005888

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{5563}}^1$

素因数の和:5634

約数の個数: 28

約数和(自身を含む): 42397680

約数和(自身を除く): 21391792

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 236, 472, 944, 1888, 3776, 5563, 11126, 22252, 44504, 89008, 178016, 328217, 356032, 656434, 1312868, 2625736, 5251472, 10502944, 21005888]

約数ペア:

[(1, 21005888), (2, 10502944), (4, 5251472), (8, 2625736), (16, 1312868), (32, 656434), (59, 356032), (64, 328217), (118, 178016), (236, 89008), (472, 44504), (944, 22252), (1888, 11126), (3776, 5563)]