21310125

素因数分解:

$3^1\times 5^3\times {\mathrm{56827}}^1$

素因数の和:56845

約数の個数: 16

約数和(自身を含む): 35460672

約数和(自身を除く): 14150547

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 56827, 170481, 284135, 852405, 1420675, 4262025, 7103375, 21310125]

約数ペア:

[(1, 21310125), (3, 7103375), (5, 4262025), (15, 1420675), (25, 852405), (75, 284135), (125, 170481), (375, 56827)]