21630080

素因数分解:

$2^7\times 5^1\times {\mathrm{33797}}^1$

素因数の和:33816

約数の個数: 32

約数和(自身を含む): 51710940

約数和(自身を除く): 30080860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33797, 67594, 135188, 168985, 270376, 337970, 540752, 675940, 1081504, 1351880, 2163008, 2703760, 4326016, 5407520, 10815040, 21630080]

約数ペア:

[(1, 21630080), (2, 10815040), (4, 5407520), (5, 4326016), (8, 2703760), (10, 2163008), (16, 1351880), (20, 1081504), (32, 675940), (40, 540752), (64, 337970), (80, 270376), (128, 168985), (160, 135188), (320, 67594), (640, 33797)]