21403606

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14843}}^1$

素因数の和:14955

約数の個数: 16

約数和(自身を含む): 37050624

約数和(自身を除く): 15647018

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14843, 29686, 103901, 207802, 1528829, 3057658, 10701803, 21403606]

約数ペア:

[(1, 21403606), (2, 10701803), (7, 3057658), (14, 1528829), (103, 207802), (206, 103901), (721, 29686), (1442, 14843)]