21096531

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 28

約数和(自身を含む): 32414008

約数和(自身を除く): 11317477

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 673, 729, 1161, 2019, 3483, 6057, 10449, 18171, 28939, 31347, 54513, 86817, 163539, 260451, 490617, 781353, 2344059, 7032177, 21096531]

約数ペア:

[(1, 21096531), (3, 7032177), (9, 2344059), (27, 781353), (43, 490617), (81, 260451), (129, 163539), (243, 86817), (387, 54513), (673, 31347), (729, 28939), (1161, 18171), (2019, 10449), (3483, 6057)]