21304401

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 7625199

約数列:

[1, 3, 97, 179, 291, 409, 537, 1227, 17363, 39673, 52089, 73211, 119019, 219633, 7101467, 21304401]

約数ペア:

[(1, 21304401), (3, 7101467), (97, 219633), (179, 119019), (291, 73211), (409, 52089), (537, 39673), (1227, 17363)]