21900090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{730003}}^1$

素因数の和:730013

約数の個数: 16

約数和(自身を含む): 52560288

約数和(自身を除く): 30660198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 730003, 1460006, 2190009, 3650015, 4380018, 7300030, 10950045, 21900090]

約数ペア:

[(1, 21900090), (2, 10950045), (3, 7300030), (5, 4380018), (6, 3650015), (10, 2190009), (15, 1460006), (30, 730003)]