21315595

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26479}}^1$

素因数の和:26514

約数の個数: 16

約数和(自身を含む): 30504960

約数和(自身を除く): 9189365

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26479, 132395, 185353, 609017, 926765, 3045085, 4263119, 21315595]

約数ペア:

[(1, 21315595), (5, 4263119), (7, 3045085), (23, 926765), (35, 609017), (115, 185353), (161, 132395), (805, 26479)]