21870771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6301}}^1$

素因数の和:6406

約数の個数: 16

約数和(自身を含む): 31762080

約数和(自身を除く): 9891309

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 6301, 18903, 81913, 245739, 560789, 1682367, 7290257, 21870771]

約数ペア:

[(1, 21870771), (3, 7290257), (13, 1682367), (39, 560789), (89, 245739), (267, 81913), (1157, 18903), (3471, 6301)]