21759584

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8831}}^1$

素因数の和:8859

約数の個数: 48

約数和(自身を含む): 53415936

約数和(自身を除く): 31656352

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, 8831, 17662, 35324, 61817, 70648, 97141, 123634, 141296, 194282, 247268, 282592, 388564, 494536, 679987, 777128, 989072, 1359974, 1554256, 1978144, 2719948, 3108512, 5439896, 10879792, 21759584]

約数ペア:

[(1, 21759584), (2, 10879792), (4, 5439896), (7, 3108512), (8, 2719948), (11, 1978144), (14, 1554256), (16, 1359974), (22, 989072), (28, 777128), (32, 679987), (44, 494536), (56, 388564), (77, 282592), (88, 247268), (112, 194282), (154, 141296), (176, 123634), (224, 97141), (308, 70648), (352, 61817), (616, 35324), (1232, 17662), (2464, 8831)]