21536888

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 20021512

約数列:

[1, 2, 4, 8, 59, 103, 118, 206, 236, 412, 443, 472, 824, 886, 1772, 3544, 6077, 12154, 24308, 26137, 45629, 48616, 52274, 91258, 104548, 182516, 209096, 365032, 2692111, 5384222, 10768444, 21536888]

約数ペア:

[(1, 21536888), (2, 10768444), (4, 5384222), (8, 2692111), (59, 365032), (103, 209096), (118, 182516), (206, 104548), (236, 91258), (412, 52274), (443, 48616), (472, 45629), (824, 26137), (886, 24308), (1772, 12154), (3544, 6077)]