21282584764

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{727}}^1\times {\mathrm{2803}}^1$

素因数の和:3914

約数の個数: 48

約数和(自身を含む): 42753238528

約数和(自身を除く): 21470653764

約数列:

[1, 2, 4, 7, 14, 28, 373, 727, 746, 1454, 1492, 2611, 2803, 2908, 5089, 5222, 5606, 10178, 10444, 11212, 19621, 20356, 39242, 78484, 271171, 542342, 1045519, 1084684, 1898197, 2037781, 2091038, 3796394, 4075562, 4182076, 7318633, 7592788, 8151124, 14264467, 14637266, 28528934, 29274532, 57057868, 760092313, 1520184626, 3040369252, 5320646191, 10641292382, 21282584764]

約数ペア:

[(1, 21282584764), (2, 10641292382), (4, 5320646191), (7, 3040369252), (14, 1520184626), (28, 760092313), (373, 57057868), (727, 29274532), (746, 28528934), (1454, 14637266), (1492, 14264467), (2611, 8151124), (2803, 7592788), (2908, 7318633), (5089, 4182076), (5222, 4075562), (5606, 3796394), (10178, 2091038), (10444, 2037781), (11212, 1898197), (19621, 1084684), (20356, 1045519), (39242, 542342), (78484, 271171)]