21787648

素因数分解:

$2^{10}\times {\mathrm{21277}}^1$

素因数の和:21297

約数の個数: 22

約数和(自身を含む): 43556066

約数和(自身を除く): 21768418

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 21277, 42554, 85108, 170216, 340432, 680864, 1361728, 2723456, 5446912, 10893824, 21787648]

約数ペア:

[(1, 21787648), (2, 10893824), (4, 5446912), (8, 2723456), (16, 1361728), (32, 680864), (64, 340432), (128, 170216), (256, 85108), (512, 42554), (1024, 21277)]