21251770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92399}}^1$

素因数の和:92429

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 18665030

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92399, 184798, 461995, 923990, 2125177, 4250354, 10625885, 21251770]

約数ペア:

[(1, 21251770), (2, 10625885), (5, 4250354), (10, 2125177), (23, 923990), (46, 461995), (115, 184798), (230, 92399)]