21291222

素因数分解:

$2^1\times 3^1\times {\mathrm{283}}^1\times {\mathrm{12539}}^1$

素因数の和:12827

約数の個数: 16

約数和(自身を含む): 42736320

約数和(自身を除く): 21445098

約数列:

[1, 2, 3, 6, 283, 566, 849, 1698, 12539, 25078, 37617, 75234, 3548537, 7097074, 10645611, 21291222]

約数ペア:

[(1, 21291222), (2, 10645611), (3, 7097074), (6, 3548537), (283, 75234), (566, 37617), (849, 25078), (1698, 12539)]