221311222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{21727}}^1$

素因数の和:22203

約数の個数: 16

約数和(自身を含む): 362944512

約数和(自身を除く): 141633290

約数列:

[1, 2, 11, 22, 463, 926, 5093, 10186, 21727, 43454, 238997, 477994, 10059601, 20119202, 110655611, 221311222]

約数ペア:

[(1, 221311222), (2, 110655611), (11, 20119202), (22, 10059601), (463, 477994), (926, 238997), (5093, 43454), (10186, 21727)]