21898625

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 10449535

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 725, 863, 875, 1015, 3625, 4315, 5075, 6041, 21575, 25027, 25375, 30205, 107875, 125135, 151025, 175189, 625675, 755125, 875945, 3128375, 4379725, 21898625]

約数ペア:

[(1, 21898625), (5, 4379725), (7, 3128375), (25, 875945), (29, 755125), (35, 625675), (125, 175189), (145, 151025), (175, 125135), (203, 107875), (725, 30205), (863, 25375), (875, 25027), (1015, 21575), (3625, 6041), (4315, 5075)]