21093670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 41136480

約数和(自身を除く): 20042810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 769, 1055, 1538, 2110, 2743, 3845, 5486, 7690, 9997, 13715, 19994, 27430, 49985, 99970, 162259, 324518, 811295, 1622590, 2109367, 4218734, 10546835, 21093670]

約数ペア:

[(1, 21093670), (2, 10546835), (5, 4218734), (10, 2109367), (13, 1622590), (26, 811295), (65, 324518), (130, 162259), (211, 99970), (422, 49985), (769, 27430), (1055, 19994), (1538, 13715), (2110, 9997), (2743, 7690), (3845, 5486)]