21477604

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 38776248

約数和(自身を除く): 17298644

約数列:

[1, 2, 4, 41, 82, 164, 173, 346, 692, 757, 1514, 3028, 7093, 14186, 28372, 31037, 62074, 124148, 130961, 261922, 523844, 5369401, 10738802, 21477604]

約数ペア:

[(1, 21477604), (2, 10738802), (4, 5369401), (41, 523844), (82, 261922), (164, 130961), (173, 124148), (346, 62074), (692, 31037), (757, 28372), (1514, 14186), (3028, 7093)]