21148256

素因数分解:

$2^5\times {\mathrm{251}}^1\times {\mathrm{2633}}^1$

素因数の和:2894

約数の個数: 24

約数和(自身を含む): 41817384

約数和(自身を除く): 20669128

約数列:

[1, 2, 4, 8, 16, 32, 251, 502, 1004, 2008, 2633, 4016, 5266, 8032, 10532, 21064, 42128, 84256, 660883, 1321766, 2643532, 5287064, 10574128, 21148256]

約数ペア:

[(1, 21148256), (2, 10574128), (4, 5287064), (8, 2643532), (16, 1321766), (32, 660883), (251, 84256), (502, 42128), (1004, 21064), (2008, 10532), (2633, 8032), (4016, 5266)]