21953560

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1433}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 49559040

約数和(自身を除く): 27605480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1433, 1532, 1915, 2866, 3064, 3830, 5732, 7165, 7660, 11464, 14330, 15320, 28660, 57320, 548839, 1097678, 2195356, 2744195, 4390712, 5488390, 10976780, 21953560]

約数ペア:

[(1, 21953560), (2, 10976780), (4, 5488390), (5, 4390712), (8, 2744195), (10, 2195356), (20, 1097678), (40, 548839), (383, 57320), (766, 28660), (1433, 15320), (1532, 14330), (1915, 11464), (2866, 7660), (3064, 7165), (3830, 5732)]