21058144

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6389}}^1$

素因数の和:6502

約数の個数: 24

約数和(自身を含む): 41867280

約数和(自身を除く): 20809136

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6389, 12778, 25556, 51112, 102224, 204448, 658067, 1316134, 2632268, 5264536, 10529072, 21058144]

約数ペア:

[(1, 21058144), (2, 10529072), (4, 5264536), (8, 2632268), (16, 1316134), (32, 658067), (103, 204448), (206, 102224), (412, 51112), (824, 25556), (1648, 12778), (3296, 6389)]