21461530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4057}}^1$

素因数の和:4110

約数の個数: 24

約数和(自身を含む): 40393332

約数和(自身を除く): 18931802

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 4057, 5290, 8114, 20285, 40570, 93311, 186622, 466555, 933110, 2146153, 4292306, 10730765, 21461530]

約数ペア:

[(1, 21461530), (2, 10730765), (5, 4292306), (10, 2146153), (23, 933110), (46, 466555), (115, 186622), (230, 93311), (529, 40570), (1058, 20285), (2645, 8114), (4057, 5290)]