21052198

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4013}}^1$

素因数の和:4119

約数の個数: 16

約数和(自身を含む): 32850576

約数和(自身を除く): 11798378

約数列:

[1, 2, 43, 61, 86, 122, 2623, 4013, 5246, 8026, 172559, 244793, 345118, 489586, 10526099, 21052198]

約数ペア:

[(1, 21052198), (2, 10526099), (43, 489586), (61, 345118), (86, 244793), (122, 172559), (2623, 8026), (4013, 5246)]