21792095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3767}}^1$

素因数の和:3874

約数の個数: 16

約数和(自身を含む): 28486080

約数和(自身を除く): 6693985

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3767, 5785, 18835, 48971, 244855, 335263, 1676315, 4358419, 21792095]

約数ペア:

[(1, 21792095), (5, 4358419), (13, 1676315), (65, 335263), (89, 244855), (445, 48971), (1157, 18835), (3767, 5785)]