21094910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2308

約数の個数: 32

約数和(自身を含む): 40606272

約数和(自身を除く): 19511362

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2237, 4474, 4715, 9430, 11185, 22370, 51451, 91717, 102902, 183434, 257255, 458585, 514510, 917170, 2109491, 4218982, 10547455, 21094910]

約数ペア:

[(1, 21094910), (2, 10547455), (5, 4218982), (10, 2109491), (23, 917170), (41, 514510), (46, 458585), (82, 257255), (115, 183434), (205, 102902), (230, 91717), (410, 51451), (943, 22370), (1886, 11185), (2237, 9430), (4474, 4715)]