21117246

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 23983554

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2609, 2698, 4047, 5218, 7827, 8094, 15654, 49571, 99142, 148713, 185239, 297426, 370478, 555717, 1111434, 3519541, 7039082, 10558623, 21117246]

約数ペア:

[(1, 21117246), (2, 10558623), (3, 7039082), (6, 3519541), (19, 1111434), (38, 555717), (57, 370478), (71, 297426), (114, 185239), (142, 148713), (213, 99142), (426, 49571), (1349, 15654), (2609, 8094), (2698, 7827), (4047, 5218)]