21554786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1759}}^1$

素因数の和:2329

約数の個数: 16

約数和(自身を含む): 35354880

約数和(自身を除く): 13800094

約数列:

[1, 2, 11, 22, 557, 1114, 1759, 3518, 6127, 12254, 19349, 38698, 979763, 1959526, 10777393, 21554786]

約数ペア:

[(1, 21554786), (2, 10777393), (11, 1959526), (22, 979763), (557, 38698), (1114, 19349), (1759, 12254), (3518, 6127)]