21020922

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89833}}^1$

素因数の和:89854

約数の個数: 24

約数和(自身を含む): 49049364

約数和(自身を除く): 28028442

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89833, 179666, 269499, 538998, 808497, 1167829, 1616994, 2335658, 3503487, 7006974, 10510461, 21020922]

約数ペア:

[(1, 21020922), (2, 10510461), (3, 7006974), (6, 3503487), (9, 2335658), (13, 1616994), (18, 1167829), (26, 808497), (39, 538998), (78, 269499), (117, 179666), (234, 89833)]