21840543

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8119

約数の個数: 16

約数和(自身を含む): 32680800

約数和(自身を除く): 10840257

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 8009, 24027, 72081, 216243, 808909, 2426727, 7280181, 21840543]

約数ペア:

[(1, 21840543), (3, 7280181), (9, 2426727), (27, 808909), (101, 216243), (303, 72081), (909, 24027), (2727, 8009)]