21634501

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 25337344

約数和(自身を除く): 3702843

約数列:

[1, 7, 67, 163, 283, 469, 1141, 1981, 10921, 18961, 46129, 76447, 132727, 322903, 3090643, 21634501]

約数ペア:

[(1, 21634501), (7, 3090643), (67, 322903), (163, 132727), (283, 76447), (469, 46129), (1141, 18961), (1981, 10921)]