21271695

素因数分解:

$3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{5011}}^1$

素因数の和:5302

約数の個数: 16

約数和(自身を含む): 34161792

約数和(自身を除く): 12890097

約数列:

[1, 3, 5, 15, 283, 849, 1415, 4245, 5011, 15033, 25055, 75165, 1418113, 4254339, 7090565, 21271695]

約数ペア:

[(1, 21271695), (3, 7090565), (5, 4254339), (15, 1418113), (283, 75165), (849, 25055), (1415, 15033), (4245, 5011)]