21710655

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9103}}^1$

素因数の和:9167

約数の個数: 24

約数和(自身を含む): 38346048

約数和(自身を除く): 16635393

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 9103, 27309, 45515, 81927, 136545, 409635, 482459, 1447377, 2412295, 4342131, 7236885, 21710655]

約数ペア:

[(1, 21710655), (3, 7236885), (5, 4342131), (9, 2412295), (15, 1447377), (45, 482459), (53, 409635), (159, 136545), (265, 81927), (477, 45515), (795, 27309), (2385, 9103)]