21495507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8923}}^1$

素因数の和:9010

約数の個数: 16

約数和(自身を含む): 31698048

約数和(自身を除く): 10202541

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8923, 26769, 98153, 294459, 651379, 1954137, 7165169, 21495507]

約数ペア:

[(1, 21495507), (3, 7165169), (11, 1954137), (33, 651379), (73, 294459), (219, 98153), (803, 26769), (2409, 8923)]