21993232

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{8231}}^1$

素因数の和:8406

約数の個数: 20

約数和(自身を含む): 42872256

約数和(自身を除く): 20879024

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 8231, 16462, 32924, 65848, 131696, 1374577, 2749154, 5498308, 10996616, 21993232]

約数ペア:

[(1, 21993232), (2, 10996616), (4, 5498308), (8, 2749154), (16, 1374577), (167, 131696), (334, 65848), (668, 32924), (1336, 16462), (2672, 8231)]