21009695

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26099}}^1$

素因数の和:26134

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 9057505

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26099, 130495, 182693, 600277, 913465, 3001385, 4201939, 21009695]

約数ペア:

[(1, 21009695), (5, 4201939), (7, 3001385), (23, 913465), (35, 600277), (115, 182693), (161, 130495), (805, 26099)]