21220986

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186149}}^1$

素因数の和:186173

約数の個数: 16

約数和(自身を含む): 44676000

約数和(自身を除く): 23455014

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186149, 372298, 558447, 1116894, 3536831, 7073662, 10610493, 21220986]

約数ペア:

[(1, 21220986), (2, 10610493), (3, 7073662), (6, 3536831), (19, 1116894), (38, 558447), (57, 372298), (114, 186149)]