21421374

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4099}}^1$

素因数の和:4184

約数の個数: 32

約数和(自身を含む): 46838400

約数和(自身を除く): 25417026

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4099, 5226, 8198, 12297, 24594, 53287, 106574, 159861, 274633, 319722, 549266, 823899, 1647798, 3570229, 7140458, 10710687, 21421374]

約数ペア:

[(1, 21421374), (2, 10710687), (3, 7140458), (6, 3570229), (13, 1647798), (26, 823899), (39, 549266), (67, 319722), (78, 274633), (134, 159861), (201, 106574), (402, 53287), (871, 24594), (1742, 12297), (2613, 8198), (4099, 5226)]