21373846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6473}}^1$

素因数の和:6615

約数の個数: 16

約数和(自身を含む): 34804224

約数和(自身を除く): 13430378

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6473, 12946, 84149, 168298, 822071, 1644142, 10686923, 21373846]

約数ペア:

[(1, 21373846), (2, 10686923), (13, 1644142), (26, 822071), (127, 168298), (254, 84149), (1651, 12946), (3302, 6473)]