21453970993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3995897}}^1$

素因数の和:3995976

約数の個数: 16

約数和(自身を含む): 26852434560

約数和(自身を除く): 5398463567

約数列:

[1, 7, 13, 59, 91, 413, 767, 5369, 3995897, 27971279, 51946661, 235757923, 363626627, 1650305461, 3064852999, 21453970993]

約数ペア:

[(1, 21453970993), (7, 3064852999), (13, 1650305461), (59, 363626627), (91, 235757923), (413, 51946661), (767, 27971279), (5369, 3995897)]