21291592610

素因数分解:

$2^1\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{938369}}^1$

素因数の和:940645

約数の個数: 16

約数和(自身を含む): 38341798200

約数和(自身を除く): 17050205590

約数列:

[1, 2, 5, 10, 2269, 4538, 11345, 22690, 938369, 1876738, 4691845, 9383690, 2129159261, 4258318522, 10645796305, 21291592610]

約数ペア:

[(1, 21291592610), (2, 10645796305), (5, 4258318522), (10, 2129159261), (2269, 9383690), (4538, 4691845), (11345, 1876738), (22690, 938369)]