21059880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175499}}^1$

素因数の和:175513

約数の個数: 32

約数和(自身を含む): 63180000

約数和(自身を除く): 42120120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175499, 350998, 526497, 701996, 877495, 1052994, 1403992, 1754990, 2105988, 2632485, 3509980, 4211976, 5264970, 7019960, 10529940, 21059880]

約数ペア:

[(1, 21059880), (2, 10529940), (3, 7019960), (4, 5264970), (5, 4211976), (6, 3509980), (8, 2632485), (10, 2105988), (12, 1754990), (15, 1403992), (20, 1052994), (24, 877495), (30, 701996), (40, 526497), (60, 350998), (120, 175499)]