21711770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94399}}^1$

素因数の和:94429

約数の個数: 16

約数和(自身を含む): 40780800

約数和(自身を除く): 19069030

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94399, 188798, 471995, 943990, 2171177, 4342354, 10855885, 21711770]

約数ペア:

[(1, 21711770), (2, 10855885), (5, 4342354), (10, 2171177), (23, 943990), (46, 471995), (115, 188798), (230, 94399)]