2021096720

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{146033}}^1$

素因数の和:146219

約数の個数: 40

約数和(自身を含む): 4726244376

約数和(自身を除く): 2705147656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 146033, 292066, 584132, 730165, 1168264, 1460330, 2336528, 2920660, 5841320, 11682640, 25263709, 50527418, 101054836, 126318545, 202109672, 252637090, 404219344, 505274180, 1010548360, 2021096720]

約数ペア:

[(1, 2021096720), (2, 1010548360), (4, 505274180), (5, 404219344), (8, 252637090), (10, 202109672), (16, 126318545), (20, 101054836), (40, 50527418), (80, 25263709), (173, 11682640), (346, 5841320), (692, 2920660), (865, 2336528), (1384, 1460330), (1730, 1168264), (2768, 730165), (3460, 584132), (6920, 292066), (13840, 146033)]