21115512

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{8887}}^1$

素因数の和:8913

約数の個数: 64

約数和(自身を含む): 63993600

約数和(自身を除く): 42878088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 8887, 17774, 26661, 35548, 53322, 71096, 79983, 97757, 106644, 159966, 195514, 213288, 239949, 293271, 319932, 391028, 479898, 586542, 639864, 782056, 879813, 959796, 1173084, 1759626, 1919592, 2346168, 2639439, 3519252, 5278878, 7038504, 10557756, 21115512]

約数ペア:

[(1, 21115512), (2, 10557756), (3, 7038504), (4, 5278878), (6, 3519252), (8, 2639439), (9, 2346168), (11, 1919592), (12, 1759626), (18, 1173084), (22, 959796), (24, 879813), (27, 782056), (33, 639864), (36, 586542), (44, 479898), (54, 391028), (66, 319932), (72, 293271), (88, 239949), (99, 213288), (108, 195514), (132, 159966), (198, 106644), (216, 97757), (264, 79983), (297, 71096), (396, 53322), (594, 35548), (792, 26661), (1188, 17774), (2376, 8887)]