21890710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95177}}^1$

素因数の和:95207

約数の個数: 16

約数和(自身を含む): 41116896

約数和(自身を除く): 19226186

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95177, 190354, 475885, 951770, 2189071, 4378142, 10945355, 21890710]

約数ペア:

[(1, 21890710), (2, 10945355), (5, 4378142), (10, 2189071), (23, 951770), (46, 475885), (115, 190354), (230, 95177)]