21223054

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:951

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 11266802

約数列:

[1, 2, 67, 134, 251, 502, 631, 1262, 16817, 33634, 42277, 84554, 158381, 316762, 10611527, 21223054]

約数ペア:

[(1, 21223054), (2, 10611527), (67, 316762), (134, 158381), (251, 84554), (502, 42277), (631, 33634), (1262, 16817)]