21077182

素因数分解:

$2^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{1231}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 36191232

約数和(自身を除く): 15114050

約数列:

[1, 2, 7, 14, 1223, 1231, 2446, 2462, 8561, 8617, 17122, 17234, 1505513, 3011026, 10538591, 21077182]

約数ペア:

[(1, 21077182), (2, 10538591), (7, 3011026), (14, 1505513), (1223, 17234), (1231, 17122), (2446, 8617), (2462, 8561)]