21240060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354001}}^1$

素因数の和:354013

約数の個数: 24

約数和(自身を含む): 59472336

約数和(自身を除く): 38232276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354001, 708002, 1062003, 1416004, 1770005, 2124006, 3540010, 4248012, 5310015, 7080020, 10620030, 21240060]

約数ペア:

[(1, 21240060), (2, 10620030), (3, 7080020), (4, 5310015), (5, 4248012), (6, 3540010), (10, 2124006), (12, 1770005), (15, 1416004), (20, 1062003), (30, 708002), (60, 354001)]