21000891270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{768419}}^1$

素因数の和:769340

約数の個数: 32

約数和(自身を含む): 50457530880

約数和(自身を除く): 29456639610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 911, 1822, 2733, 4555, 5466, 9110, 13665, 27330, 768419, 1536838, 2305257, 3842095, 4610514, 7684190, 11526285, 23052570, 700029709, 1400059418, 2100089127, 3500148545, 4200178254, 7000297090, 10500445635, 21000891270]

約数ペア:

[(1, 21000891270), (2, 10500445635), (3, 7000297090), (5, 4200178254), (6, 3500148545), (10, 2100089127), (15, 1400059418), (30, 700029709), (911, 23052570), (1822, 11526285), (2733, 7684190), (4555, 4610514), (5466, 3842095), (9110, 2305257), (13665, 1536838), (27330, 768419)]