21744068

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 39221952

約数和(自身を除く): 17477884

約数列:

[1, 2, 4, 43, 86, 167, 172, 334, 668, 757, 1514, 3028, 7181, 14362, 28724, 32551, 65102, 126419, 130204, 252838, 505676, 5436017, 10872034, 21744068]

約数ペア:

[(1, 21744068), (2, 10872034), (4, 5436017), (43, 505676), (86, 252838), (167, 130204), (172, 126419), (334, 65102), (668, 32551), (757, 28724), (1514, 14362), (3028, 7181)]