21731434

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1303}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 12068246

約数列:

[1, 2, 31, 62, 269, 538, 1303, 2606, 8339, 16678, 40393, 80786, 350507, 701014, 10865717, 21731434]

約数ペア:

[(1, 21731434), (2, 10865717), (31, 701014), (62, 350507), (269, 80786), (538, 40393), (1303, 16678), (2606, 8339)]