21605486

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14983}}^1$

素因数の和:15095

約数の個数: 16

約数和(自身を含む): 37400064

約数和(自身を除く): 15794578

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14983, 29966, 104881, 209762, 1543249, 3086498, 10802743, 21605486]

約数ペア:

[(1, 21605486), (2, 10802743), (7, 3086498), (14, 1543249), (103, 209762), (206, 104881), (721, 29966), (1442, 14983)]