21725163321

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{713681}}^1$

素因数の和:713896

約数の個数: 16

約数和(自身を含む): 29574982080

約数和(自身を除く): 7849818759

約数列:

[1, 3, 73, 139, 219, 417, 10147, 30441, 713681, 2141043, 52098713, 99201659, 156296139, 297604977, 7241721107, 21725163321]

約数ペア:

[(1, 21725163321), (3, 7241721107), (73, 297604977), (139, 156296139), (219, 99201659), (417, 52098713), (10147, 2141043), (30441, 713681)]