21445600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 72

約数和(自身を含む): 57136968

約数和(自身を除く): 35691368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2437, 4400, 4874, 8800, 9748, 12185, 19496, 24370, 26807, 38992, 48740, 53614, 60925, 77984, 97480, 107228, 121850, 134035, 194960, 214456, 243700, 268070, 389920, 428912, 487400, 536140, 670175, 857824, 974800, 1072280, 1340350, 1949600, 2144560, 2680700, 4289120, 5361400, 10722800, 21445600]

約数ペア:

[(1, 21445600), (2, 10722800), (4, 5361400), (5, 4289120), (8, 2680700), (10, 2144560), (11, 1949600), (16, 1340350), (20, 1072280), (22, 974800), (25, 857824), (32, 670175), (40, 536140), (44, 487400), (50, 428912), (55, 389920), (80, 268070), (88, 243700), (100, 214456), (110, 194960), (160, 134035), (176, 121850), (200, 107228), (220, 97480), (275, 77984), (352, 60925), (400, 53614), (440, 48740), (550, 38992), (800, 26807), (880, 24370), (1100, 19496), (1760, 12185), (2200, 9748), (2437, 8800), (4400, 4874)]