21912825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26561}}^1$

素因数の和:26585

約数の個数: 24

約数和(自身を含む): 39524256

約数和(自身を除く): 17611431

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 26561, 79683, 132805, 292171, 398415, 664025, 876513, 1460855, 1992075, 4382565, 7304275, 21912825]

約数ペア:

[(1, 21912825), (3, 7304275), (5, 4382565), (11, 1992075), (15, 1460855), (25, 876513), (33, 664025), (55, 398415), (75, 292171), (165, 132805), (275, 79683), (825, 26561)]