21601408

素因数分解:

$2^7\times {\mathrm{168761}}^1$

素因数の和:168775

約数の個数: 16

約数和(自身を含む): 43034310

約数和(自身を除く): 21432902

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 168761, 337522, 675044, 1350088, 2700176, 5400352, 10800704, 21601408]

約数ペア:

[(1, 21601408), (2, 10800704), (4, 5400352), (8, 2700176), (16, 1350088), (32, 675044), (64, 337522), (128, 168761)]