1890090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21001}}^1$

素因数の和:21014

約数の個数: 24

約数和(自身を含む): 4914468

約数和(自身を除く): 3024378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21001, 42002, 63003, 105005, 126006, 189009, 210010, 315015, 378018, 630030, 945045, 1890090]

約数ペア:

[(1, 1890090), (2, 945045), (3, 630030), (5, 378018), (6, 315015), (9, 210010), (10, 189009), (15, 126006), (18, 105005), (30, 63003), (45, 42002), (90, 21001)]