21721408

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17863}}^1$

素因数の和:17894

約数の個数: 28

約数和(自身を含む): 45374560

約数和(自身を除く): 23653152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17863, 35726, 71452, 142904, 285808, 339397, 571616, 678794, 1143232, 1357588, 2715176, 5430352, 10860704, 21721408]

約数ペア:

[(1, 21721408), (2, 10860704), (4, 5430352), (8, 2715176), (16, 1357588), (19, 1143232), (32, 678794), (38, 571616), (64, 339397), (76, 285808), (152, 142904), (304, 71452), (608, 35726), (1216, 17863)]