21082642

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5003}}^1$

素因数の和:5062

約数の個数: 24

約数和(自身を含む): 37650096

約数和(自身を除く): 16567454

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5003, 10006, 35021, 70042, 215129, 245147, 430258, 490294, 1505903, 3011806, 10541321, 21082642]

約数ペア:

[(1, 21082642), (2, 10541321), (7, 3011806), (14, 1505903), (43, 490294), (49, 430258), (86, 245147), (98, 215129), (301, 70042), (602, 35021), (2107, 10006), (4214, 5003)]