21720256

素因数分解:

$2^6\times {\mathrm{463}}^1\times {\mathrm{733}}^1$

素因数の和:1208

約数の個数: 28

約数和(自身を含む): 43253152

約数和(自身を除く): 21532896

約数列:

[1, 2, 4, 8, 16, 32, 64, 463, 733, 926, 1466, 1852, 2932, 3704, 5864, 7408, 11728, 14816, 23456, 29632, 46912, 339379, 678758, 1357516, 2715032, 5430064, 10860128, 21720256]

約数ペア:

[(1, 21720256), (2, 10860128), (4, 5430064), (8, 2715032), (16, 1357516), (32, 678758), (64, 339379), (463, 46912), (733, 29632), (926, 23456), (1466, 14816), (1852, 11728), (2932, 7408), (3704, 5864)]