21063045

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13903}}^1$

素因数の和:14012

約数の個数: 16

約数和(自身を含む): 34036992

約数和(自身を除く): 12973947

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 13903, 41709, 69515, 208545, 1404203, 4212609, 7021015, 21063045]

約数ペア:

[(1, 21063045), (3, 7021015), (5, 4212609), (15, 1404203), (101, 208545), (303, 69515), (505, 41709), (1515, 13903)]