21552320

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1497

約数の個数: 56

約数和(自身を含む): 52449984

約数和(自身を除く): 30897664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1433, 1504, 1880, 2866, 3008, 3760, 5732, 7165, 7520, 11464, 14330, 15040, 22928, 28660, 45856, 57320, 67351, 91712, 114640, 134702, 229280, 269404, 336755, 458560, 538808, 673510, 1077616, 1347020, 2155232, 2694040, 4310464, 5388080, 10776160, 21552320]

約数ペア:

[(1, 21552320), (2, 10776160), (4, 5388080), (5, 4310464), (8, 2694040), (10, 2155232), (16, 1347020), (20, 1077616), (32, 673510), (40, 538808), (47, 458560), (64, 336755), (80, 269404), (94, 229280), (160, 134702), (188, 114640), (235, 91712), (320, 67351), (376, 57320), (470, 45856), (752, 28660), (940, 22928), (1433, 15040), (1504, 14330), (1880, 11464), (2866, 7520), (3008, 7165), (3760, 5732)]