21800704

素因数分解:

$2^8\times {\mathrm{85159}}^1$

素因数の和:85175

約数の個数: 18

約数和(自身を含む): 43516760

約数和(自身を除く): 21716056

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85159, 170318, 340636, 681272, 1362544, 2725088, 5450176, 10900352, 21800704]

約数ペア:

[(1, 21800704), (2, 10900352), (4, 5450176), (8, 2725088), (16, 1362544), (32, 681272), (64, 340636), (128, 170318), (256, 85159)]