21352768

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7759}}^1$

素因数の和:7814

約数の個数: 28

約数和(自身を含む): 43362880

約数和(自身を除く): 22010112

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7759, 15518, 31036, 62072, 124144, 248288, 333637, 496576, 667274, 1334548, 2669096, 5338192, 10676384, 21352768]

約数ペア:

[(1, 21352768), (2, 10676384), (4, 5338192), (8, 2669096), (16, 1334548), (32, 667274), (43, 496576), (64, 333637), (86, 248288), (172, 124144), (344, 62072), (688, 31036), (1376, 15518), (2752, 7759)]