21345375

素因数分解:

$3^1\times 5^3\times {\mathrm{56921}}^1$

素因数の和:56939

約数の個数: 16

約数和(自身を含む): 35519328

約数和(自身を除く): 14173953

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 56921, 170763, 284605, 853815, 1423025, 4269075, 7115125, 21345375]

約数ペア:

[(1, 21345375), (3, 7115125), (5, 4269075), (15, 1423025), (25, 853815), (75, 284605), (125, 170763), (375, 56921)]