21450835

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26647}}^1$

素因数の和:26682

約数の個数: 16

約数和(自身を含む): 30698496

約数和(自身を除く): 9247661

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26647, 133235, 186529, 612881, 932645, 3064405, 4290167, 21450835]

約数ペア:

[(1, 21450835), (5, 4290167), (7, 3064405), (23, 932645), (35, 612881), (115, 186529), (161, 133235), (805, 26647)]