21462080

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1491

約数の個数: 56

約数和(自身を含む): 52230528

約数和(自身を除く): 30768448

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, 1427, 1504, 1880, 2854, 3008, 3760, 5708, 7135, 7520, 11416, 14270, 15040, 22832, 28540, 45664, 57080, 67069, 91328, 114160, 134138, 228320, 268276, 335345, 456640, 536552, 670690, 1073104, 1341380, 2146208, 2682760, 4292416, 5365520, 10731040, 21462080]

約数ペア:

[(1, 21462080), (2, 10731040), (4, 5365520), (5, 4292416), (8, 2682760), (10, 2146208), (16, 1341380), (20, 1073104), (32, 670690), (40, 536552), (47, 456640), (64, 335345), (80, 268276), (94, 228320), (160, 134138), (188, 114160), (235, 91328), (320, 67069), (376, 57080), (470, 45664), (752, 28540), (940, 22832), (1427, 15040), (1504, 14270), (1880, 11416), (2854, 7520), (3008, 7135), (3760, 5708)]