21063274

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1785

約数の個数: 16

約数和(自身を含む): 32407560

約数和(自身を除く): 11344286

約数列:

[1, 2, 73, 89, 146, 178, 1621, 3242, 6497, 12994, 118333, 144269, 236666, 288538, 10531637, 21063274]

約数ペア:

[(1, 21063274), (2, 10531637), (73, 288538), (89, 236666), (146, 144269), (178, 118333), (1621, 12994), (3242, 6497)]