21325425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25849}}^1$

素因数の和:25873

約数の個数: 24

約数和(自身を含む): 38464800

約数和(自身を除く): 17139375

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25849, 77547, 129245, 284339, 387735, 646225, 853017, 1421695, 1938675, 4265085, 7108475, 21325425]

約数ペア:

[(1, 21325425), (3, 7108475), (5, 4265085), (11, 1938675), (15, 1421695), (25, 853017), (33, 646225), (55, 387735), (75, 284339), (165, 129245), (275, 77547), (825, 25849)]