21624508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 20711492

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 139, 178, 278, 356, 437, 556, 874, 1691, 1748, 2047, 2641, 3197, 3382, 4094, 5282, 6394, 6764, 8188, 10564, 12371, 12788, 24742, 38893, 49484, 60743, 77786, 121486, 155572, 235049, 242972, 284533, 470098, 569066, 940196, 1138132, 5406127, 10812254, 21624508]

約数ペア:

[(1, 21624508), (2, 10812254), (4, 5406127), (19, 1138132), (23, 940196), (38, 569066), (46, 470098), (76, 284533), (89, 242972), (92, 235049), (139, 155572), (178, 121486), (278, 77786), (356, 60743), (437, 49484), (556, 38893), (874, 24742), (1691, 12788), (1748, 12371), (2047, 10564), (2641, 8188), (3197, 6764), (3382, 6394), (4094, 5282)]