21604325

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 27706560

約数和(自身を除く): 6102235

約数列:

[1, 5, 25, 59, 97, 151, 295, 485, 755, 1475, 2425, 3775, 5723, 8909, 14647, 28615, 44545, 73235, 143075, 222725, 366175, 864173, 4320865, 21604325]

約数ペア:

[(1, 21604325), (5, 4320865), (25, 864173), (59, 366175), (97, 222725), (151, 143075), (295, 73235), (485, 44545), (755, 28615), (1475, 14647), (2425, 8909), (3775, 5723)]