21584565

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5779}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 37870560

約数和(自身を除く): 16285995

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5779, 17337, 28895, 52011, 86685, 260055, 479657, 1438971, 2398285, 4316913, 7194855, 21584565]

約数ペア:

[(1, 21584565), (3, 7194855), (5, 4316913), (9, 2398285), (15, 1438971), (45, 479657), (83, 260055), (249, 86685), (415, 52011), (747, 28895), (1245, 17337), (3735, 5779)]