21623820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3499}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 61152000

約数和(自身を除く): 39528180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3499, 6180, 6998, 10497, 13996, 17495, 20994, 34990, 41988, 52485, 69980, 104970, 209940, 360397, 720794, 1081191, 1441588, 1801985, 2162382, 3603970, 4324764, 5405955, 7207940, 10811910, 21623820]

約数ペア:

[(1, 21623820), (2, 10811910), (3, 7207940), (4, 5405955), (5, 4324764), (6, 3603970), (10, 2162382), (12, 1801985), (15, 1441588), (20, 1081191), (30, 720794), (60, 360397), (103, 209940), (206, 104970), (309, 69980), (412, 52485), (515, 41988), (618, 34990), (1030, 20994), (1236, 17495), (1545, 13996), (2060, 10497), (3090, 6998), (3499, 6180)]