21494089246

素因数分解:

$2^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1399537}}^1$

素因数の和:1400643

約数の個数: 16

約数和(自身を含む): 36880625376

約数和(自身を除く): 15386536130

約数列:

[1, 2, 7, 14, 1097, 2194, 7679, 15358, 1399537, 2799074, 9796759, 19593518, 1535292089, 3070584178, 10747044623, 21494089246]

約数ペア:

[(1, 21494089246), (2, 10747044623), (7, 3070584178), (14, 1535292089), (1097, 19593518), (2194, 9796759), (7679, 2799074), (15358, 1399537)]