21590330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93871}}^1$

素因数の和:93901

約数の個数: 16

約数和(自身を含む): 40552704

約数和(自身を除く): 18962374

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93871, 187742, 469355, 938710, 2159033, 4318066, 10795165, 21590330]

約数ペア:

[(1, 21590330), (2, 10795165), (5, 4318066), (10, 2159033), (23, 938710), (46, 469355), (115, 187742), (230, 93871)]