21929030

素因数分解:

$2^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1999}}^1$

素因数の和:3103

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 17598970

約数列:

[1, 2, 5, 10, 1097, 1999, 2194, 3998, 5485, 9995, 10970, 19990, 2192903, 4385806, 10964515, 21929030]

約数ペア:

[(1, 21929030), (2, 10964515), (5, 4385806), (10, 2192903), (1097, 19990), (1999, 10970), (2194, 9995), (3998, 5485)]