21740624

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7591}}^1$

素因数の和:7778

約数の個数: 20

約数和(自身を含む): 42363360

約数和(自身を除く): 20622736

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7591, 15182, 30364, 60728, 121456, 1358789, 2717578, 5435156, 10870312, 21740624]

約数ペア:

[(1, 21740624), (2, 10870312), (4, 5435156), (8, 2717578), (16, 1358789), (179, 121456), (358, 60728), (716, 30364), (1432, 15182), (2864, 7591)]