21143584

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8581}}^1$

素因数の和:8609

約数の個数: 48

約数和(自身を含む): 51903936

約数和(自身を除く): 30760352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8581, 17162, 34324, 60067, 68648, 94391, 120134, 137296, 188782, 240268, 274592, 377564, 480536, 660737, 755128, 961072, 1321474, 1510256, 1922144, 2642948, 3020512, 5285896, 10571792, 21143584]

約数ペア:

[(1, 21143584), (2, 10571792), (4, 5285896), (7, 3020512), (8, 2642948), (11, 1922144), (14, 1510256), (16, 1321474), (22, 961072), (28, 755128), (32, 660737), (44, 480536), (56, 377564), (77, 274592), (88, 240268), (112, 188782), (154, 137296), (176, 120134), (224, 94391), (308, 68648), (352, 60067), (616, 34324), (1232, 17162), (2464, 8581)]