2102821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 2582784

約数和(自身を除く): 479963

約数列:

[1, 7, 23, 37, 161, 259, 353, 851, 2471, 5957, 8119, 13061, 56833, 91427, 300403, 2102821]

約数ペア:

[(1, 2102821), (7, 300403), (23, 91427), (37, 56833), (161, 13061), (259, 8119), (353, 5957), (851, 2471)]