21020630

素因数分解:

$2^1\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{1531}}^1$

素因数の和:2911

約数の個数: 16

約数和(自身を含む): 37889424

約数和(自身を除く): 16868794

約数列:

[1, 2, 5, 10, 1373, 1531, 2746, 3062, 6865, 7655, 13730, 15310, 2102063, 4204126, 10510315, 21020630]

約数ペア:

[(1, 21020630), (2, 10510315), (5, 4204126), (10, 2102063), (1373, 15310), (1531, 13730), (2746, 7655), (3062, 6865)]