21380988

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{29209}}^1$

素因数の和:29277

約数の個数: 24

約数和(自身を含む): 50708560

約数和(自身を除く): 29327572

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 29209, 58418, 87627, 116836, 175254, 350508, 1781749, 3563498, 5345247, 7126996, 10690494, 21380988]

約数ペア:

[(1, 21380988), (2, 10690494), (3, 7126996), (4, 5345247), (6, 3563498), (12, 1781749), (61, 350508), (122, 175254), (183, 116836), (244, 87627), (366, 58418), (732, 29209)]