21735974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4201}}^1$

素因数の和:4415

約数の個数: 16

約数和(自身を含む): 35296800

約数和(自身を除く): 13560826

約数列:

[1, 2, 13, 26, 199, 398, 2587, 4201, 5174, 8402, 54613, 109226, 835999, 1671998, 10867987, 21735974]

約数ペア:

[(1, 21735974), (2, 10867987), (13, 1671998), (26, 835999), (199, 109226), (398, 54613), (2587, 8402), (4201, 5174)]