21466448

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{8231}}^1$

素因数の和:8402

約数の個数: 20

約数和(自身を含む): 41851488

約数和(自身を除く): 20385040

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8231, 16462, 32924, 65848, 131696, 1341653, 2683306, 5366612, 10733224, 21466448]

約数ペア:

[(1, 21466448), (2, 10733224), (4, 5366612), (8, 2683306), (16, 1341653), (163, 131696), (326, 65848), (652, 32924), (1304, 16462), (2608, 8231)]