21170476

素因数分解:

$2^2\times {\mathrm{1069}}^1\times {\mathrm{4951}}^1$

素因数の和:6024

約数の個数: 12

約数和(自身を含む): 37090480

約数和(自身を除く): 15920004

約数列:

[1, 2, 4, 1069, 2138, 4276, 4951, 9902, 19804, 5292619, 10585238, 21170476]

約数ペア:

[(1, 21170476), (2, 10585238), (4, 5292619), (1069, 19804), (2138, 9902), (4276, 4951)]