21410198

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 33943728

約数和(自身を除く): 12533530

約数列:

[1, 2, 37, 53, 74, 103, 106, 206, 1961, 2809, 3811, 3922, 5459, 5618, 7622, 10918, 103933, 201983, 207866, 289327, 403966, 578654, 10705099, 21410198]

約数ペア:

[(1, 21410198), (2, 10705099), (37, 578654), (53, 403966), (74, 289327), (103, 207866), (106, 201983), (206, 103933), (1961, 10918), (2809, 7622), (3811, 5618), (3922, 5459)]