21150392

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 19809688

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 601, 664, 1202, 2404, 4399, 4808, 8798, 17596, 31853, 35192, 49883, 63706, 99766, 127412, 199532, 254824, 399064, 2643799, 5287598, 10575196, 21150392]

約数ペア:

[(1, 21150392), (2, 10575196), (4, 5287598), (8, 2643799), (53, 399064), (83, 254824), (106, 199532), (166, 127412), (212, 99766), (332, 63706), (424, 49883), (601, 35192), (664, 31853), (1202, 17596), (2404, 8798), (4399, 4808)]