21071657

素因数分解:

${\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 12

約数和(自身を含む): 22423044

約数和(自身を除く): 1351387

約数列:

[1, 23, 61, 529, 653, 1403, 15019, 32269, 39833, 345437, 916159, 21071657]

約数ペア:

[(1, 21071657), (23, 916159), (61, 345437), (529, 39833), (653, 32269), (1403, 15019)]