21106474

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5081}}^1$

素因数の和:5181

約数の個数: 16

約数和(自身を含む): 33175296

約数和(自身を除く): 12068822

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 5081, 10162, 157511, 315022, 340427, 680854, 10553237, 21106474]

約数ペア:

[(1, 21106474), (2, 10553237), (31, 680854), (62, 340427), (67, 315022), (134, 157511), (2077, 10162), (4154, 5081)]