21260174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1321}}^1$

素因数の和:1955

約数の個数: 16

約数和(自身を含む): 34424880

約数和(自身を除く): 13164706

約数列:

[1, 2, 13, 26, 619, 1238, 1321, 2642, 8047, 16094, 17173, 34346, 817699, 1635398, 10630087, 21260174]

約数ペア:

[(1, 21260174), (2, 10630087), (13, 1635398), (26, 817699), (619, 34346), (1238, 17173), (1321, 16094), (2642, 8047)]