21296217

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 8114343

約数列:

[1, 3, 47, 73, 141, 219, 2069, 3431, 6207, 10293, 97243, 151037, 291729, 453111, 7098739, 21296217]

約数ペア:

[(1, 21296217), (3, 7098739), (47, 453111), (73, 291729), (141, 151037), (219, 97243), (2069, 10293), (3431, 6207)]