21000844470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{641639}}^1$

素因数の和:642740

約数の個数: 32

約数和(自身を含む): 50448303360

約数和(自身を除く): 29447458890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1091, 2182, 3273, 5455, 6546, 10910, 16365, 32730, 641639, 1283278, 1924917, 3208195, 3849834, 6416390, 9624585, 19249170, 700028149, 1400056298, 2100084447, 3500140745, 4200168894, 7000281490, 10500422235, 21000844470]

約数ペア:

[(1, 21000844470), (2, 10500422235), (3, 7000281490), (5, 4200168894), (6, 3500140745), (10, 2100084447), (15, 1400056298), (30, 700028149), (1091, 19249170), (2182, 9624585), (3273, 6416390), (5455, 3849834), (6546, 3208195), (10910, 1924917), (16365, 1283278), (32730, 641639)]