21087465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 38772480

約数和(自身を除く): 17685015

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 877, 1145, 1603, 2631, 3435, 4385, 4809, 6139, 8015, 13155, 18417, 24045, 30695, 92085, 200833, 602499, 1004165, 1405831, 3012495, 4217493, 7029155, 21087465]

約数ペア:

[(1, 21087465), (3, 7029155), (5, 4217493), (7, 3012495), (15, 1405831), (21, 1004165), (35, 602499), (105, 200833), (229, 92085), (687, 30695), (877, 24045), (1145, 18417), (1603, 13155), (2631, 8015), (3435, 6139), (4385, 4809)]