21293766

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10111}}^1$

素因数の和:10138

約数の個数: 40

約数和(自身を含む): 51389184

約数和(自身を除く): 30095418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10111, 20222, 30333, 60666, 90999, 131443, 181998, 262886, 272997, 394329, 545994, 788658, 818991, 1182987, 1637982, 2365974, 3548961, 7097922, 10646883, 21293766]

約数ペア:

[(1, 21293766), (2, 10646883), (3, 7097922), (6, 3548961), (9, 2365974), (13, 1637982), (18, 1182987), (26, 818991), (27, 788658), (39, 545994), (54, 394329), (78, 272997), (81, 262886), (117, 181998), (162, 131443), (234, 90999), (351, 60666), (702, 30333), (1053, 20222), (2106, 10111)]