21651520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6151}}^1$

素因数の和:6179

約数の個数: 56

約数和(自身を含む): 56253888

約数和(自身を除く): 34602368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6151, 12302, 24604, 30755, 49208, 61510, 67661, 98416, 123020, 135322, 196832, 246040, 270644, 338305, 393664, 492080, 541288, 676610, 984160, 1082576, 1353220, 1968320, 2165152, 2706440, 4330304, 5412880, 10825760, 21651520]

約数ペア:

[(1, 21651520), (2, 10825760), (4, 5412880), (5, 4330304), (8, 2706440), (10, 2165152), (11, 1968320), (16, 1353220), (20, 1082576), (22, 984160), (32, 676610), (40, 541288), (44, 492080), (55, 393664), (64, 338305), (80, 270644), (88, 246040), (110, 196832), (160, 135322), (176, 123020), (220, 98416), (320, 67661), (352, 61510), (440, 49208), (704, 30755), (880, 24604), (1760, 12302), (3520, 6151)]