21428870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93169}}^1$

素因数の和:93199

約数の個数: 16

約数和(自身を含む): 40249440

約数和(自身を除く): 18820570

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93169, 186338, 465845, 931690, 2142887, 4285774, 10714435, 21428870]

約数ペア:

[(1, 21428870), (2, 10714435), (5, 4285774), (10, 2142887), (23, 931690), (46, 465845), (115, 186338), (230, 93169)]