21532619872

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{66643}}^1$

素因数の和:67115

約数の個数: 48

約数和(自身を含む): 44336920320

約数和(自身を除く): 22804300448

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 439, 736, 878, 1756, 3512, 7024, 10097, 14048, 20194, 40388, 66643, 80776, 133286, 161552, 266572, 323104, 533144, 1066288, 1532789, 2132576, 3065578, 6131156, 12262312, 24524624, 29256277, 49049248, 58512554, 117025108, 234050216, 468100432, 672894371, 936200864, 1345788742, 2691577484, 5383154968, 10766309936, 21532619872]

約数ペア:

[(1, 21532619872), (2, 10766309936), (4, 5383154968), (8, 2691577484), (16, 1345788742), (23, 936200864), (32, 672894371), (46, 468100432), (92, 234050216), (184, 117025108), (368, 58512554), (439, 49049248), (736, 29256277), (878, 24524624), (1756, 12262312), (3512, 6131156), (7024, 3065578), (10097, 2132576), (14048, 1532789), (20194, 1066288), (40388, 533144), (66643, 323104), (80776, 266572), (133286, 161552)]