21361688

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56813}}^1$

素因数の和:56866

約数の個数: 16

約数和(自身を含む): 40906080

約数和(自身を除く): 19544392

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56813, 113626, 227252, 454504, 2670211, 5340422, 10680844, 21361688]

約数ペア:

[(1, 21361688), (2, 10680844), (4, 5340422), (8, 2670211), (47, 454504), (94, 227252), (188, 113626), (376, 56813)]