21438742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1163}}^1$

素因数の和:1887

約数の個数: 16

約数和(自身を含む): 34710480

約数和(自身を除く): 13271738

約数列:

[1, 2, 13, 26, 709, 1163, 1418, 2326, 9217, 15119, 18434, 30238, 824567, 1649134, 10719371, 21438742]

約数ペア:

[(1, 21438742), (2, 10719371), (13, 1649134), (26, 824567), (709, 30238), (1163, 18434), (1418, 15119), (2326, 9217)]