21870874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 35558460

約数和(自身を除く): 13687586

約数列:

[1, 2, 17, 34, 53, 106, 229, 458, 901, 1802, 2809, 3893, 5618, 7786, 12137, 24274, 47753, 95506, 206329, 412658, 643261, 1286522, 10935437, 21870874]

約数ペア:

[(1, 21870874), (2, 10935437), (17, 1286522), (34, 643261), (53, 412658), (106, 206329), (229, 95506), (458, 47753), (901, 24274), (1802, 12137), (2809, 7786), (3893, 5618)]