21551177986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2067061}}^1$

素因数の和:2067477

約数の個数: 16

約数和(自身を含む): 34900274808

約数和(自身を除く): 13349096822

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 2067061, 4134122, 26871793, 53743586, 828891461, 1657782922, 10775588993, 21551177986]

約数ペア:

[(1, 21551177986), (2, 10775588993), (13, 1657782922), (26, 828891461), (401, 53743586), (802, 26871793), (5213, 4134122), (10426, 2067061)]