21010641

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 28600704

約数和(自身を除く): 7590063

約数列:

[1, 3, 73, 197, 219, 487, 591, 1461, 14381, 35551, 43143, 95939, 106653, 287817, 7003547, 21010641]

約数ペア:

[(1, 21010641), (3, 7003547), (73, 287817), (197, 106653), (219, 95939), (487, 43143), (591, 35551), (1461, 14381)]