21702272

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4000

約数の個数: 32

約数和(自身を含む): 44251680

約数和(自身を除く): 22549408

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3943, 5504, 7886, 15772, 31544, 63088, 126176, 169549, 252352, 339098, 504704, 678196, 1356392, 2712784, 5425568, 10851136, 21702272]

約数ペア:

[(1, 21702272), (2, 10851136), (4, 5425568), (8, 2712784), (16, 1356392), (32, 678196), (43, 504704), (64, 339098), (86, 252352), (128, 169549), (172, 126176), (344, 63088), (688, 31544), (1376, 15772), (2752, 7886), (3943, 5504)]