21066868

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{29423}}^1$

素因数の和:29606

約数の個数: 12

約数和(自身を含む): 37074240

約数和(自身を除く): 16007372

約数列:

[1, 2, 4, 179, 358, 716, 29423, 58846, 117692, 5266717, 10533434, 21066868]

約数ペア:

[(1, 21066868), (2, 10533434), (4, 5266717), (179, 117692), (358, 58846), (716, 29423)]