21494305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26701}}^1$

素因数の和:26736

約数の個数: 16

約数和(自身を含む): 30760704

約数和(自身を除く): 9266399

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26701, 133505, 186907, 614123, 934535, 3070615, 4298861, 21494305]

約数ペア:

[(1, 21494305), (5, 4298861), (7, 3070615), (23, 934535), (35, 614123), (115, 186907), (161, 133505), (805, 26701)]