21625216

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 44094600

約数和(自身を除く): 22469384

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3929, 5504, 7858, 15716, 31432, 62864, 125728, 168947, 251456, 337894, 502912, 675788, 1351576, 2703152, 5406304, 10812608, 21625216]

約数ペア:

[(1, 21625216), (2, 10812608), (4, 5406304), (8, 2703152), (16, 1351576), (32, 675788), (43, 502912), (64, 337894), (86, 251456), (128, 168947), (172, 125728), (344, 62864), (688, 31432), (1376, 15716), (2752, 7858), (3929, 5504)]