21701375

素因数分解:

$5^3\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1403

約数の個数: 16

約数和(自身を含む): 27300000

約数和(自身を除く): 5598625

約数列:

[1, 5, 25, 125, 139, 695, 1249, 3475, 6245, 17375, 31225, 156125, 173611, 868055, 4340275, 21701375]

約数ペア:

[(1, 21701375), (5, 4340275), (25, 868055), (125, 173611), (139, 156125), (695, 31225), (1249, 17375), (3475, 6245)]