21825291

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 7809909

約数列:

[1, 3, 97, 179, 291, 419, 537, 1257, 17363, 40643, 52089, 75001, 121929, 225003, 7275097, 21825291]

約数ペア:

[(1, 21825291), (3, 7275097), (97, 225003), (179, 121929), (291, 75001), (419, 52089), (537, 40643), (1257, 17363)]