21098560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9419}}^1$

素因数の和:9443

約数の個数: 56

約数和(自身を含む): 57424320

約数和(自身を除く): 36325760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9419, 18838, 37676, 47095, 65933, 75352, 94190, 131866, 150704, 188380, 263732, 301408, 329665, 376760, 527464, 602816, 659330, 753520, 1054928, 1318660, 1507040, 2109856, 2637320, 3014080, 4219712, 5274640, 10549280, 21098560]

約数ペア:

[(1, 21098560), (2, 10549280), (4, 5274640), (5, 4219712), (7, 3014080), (8, 2637320), (10, 2109856), (14, 1507040), (16, 1318660), (20, 1054928), (28, 753520), (32, 659330), (35, 602816), (40, 527464), (56, 376760), (64, 329665), (70, 301408), (80, 263732), (112, 188380), (140, 150704), (160, 131866), (224, 94190), (280, 75352), (320, 65933), (448, 47095), (560, 37676), (1120, 18838), (2240, 9419)]